489657987

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:682

約数の個数: 128

約数和(自身を含む): 996710400

約数和(自身を除く): 507052413

約数列:

[1, 3, 7, 9, 13, 17, 19, 21, 27, 39, 51, 57, 63, 91, 117, 119, 133, 153, 171, 189, 221, 247, 273, 323, 351, 357, 399, 459, 513, 617, 663, 741, 819, 969, 1071, 1197, 1547, 1729, 1851, 1989, 2223, 2261, 2457, 2907, 3213, 3591, 4199, 4319, 4641, 5187, 5553, 5967, 6669, 6783, 8021, 8721, 10489, 11723, 12597, 12957, 13923, 15561, 16659, 20349, 24063, 29393, 31467, 35169, 37791, 38871, 41769, 46683, 56147, 61047, 72189, 73423, 82061, 88179, 94401, 105507, 113373, 116613, 136357, 152399, 168441, 199291, 216567, 220269, 246183, 264537, 283203, 316521, 409071, 457197, 505323, 597873, 660807, 738549, 793611, 954499, 1066793, 1227213, 1371591, 1395037, 1515969, 1793619, 1982421, 2215647, 2590783, 2863497, 3200379, 3681639, 4114773, 4185111, 5380857, 7772349, 8590491, 9601137, 12555333, 18135481, 23317047, 25771473, 28803411, 37665999, 54406443, 69951141, 163219329, 489657987]

約数ペア:

[(1, 489657987), (3, 163219329), (7, 69951141), (9, 54406443), (13, 37665999), (17, 28803411), (19, 25771473), (21, 23317047), (27, 18135481), (39, 12555333), (51, 9601137), (57, 8590491), (63, 7772349), (91, 5380857), (117, 4185111), (119, 4114773), (133, 3681639), (153, 3200379), (171, 2863497), (189, 2590783), (221, 2215647), (247, 1982421), (273, 1793619), (323, 1515969), (351, 1395037), (357, 1371591), (399, 1227213), (459, 1066793), (513, 954499), (617, 793611), (663, 738549), (741, 660807), (819, 597873), (969, 505323), (1071, 457197), (1197, 409071), (1547, 316521), (1729, 283203), (1851, 264537), (1989, 246183), (2223, 220269), (2261, 216567), (2457, 199291), (2907, 168441), (3213, 152399), (3591, 136357), (4199, 116613), (4319, 113373), (4641, 105507), (5187, 94401), (5553, 88179), (5967, 82061), (6669, 73423), (6783, 72189), (8021, 61047), (8721, 56147), (10489, 46683), (11723, 41769), (12597, 38871), (12957, 37791), (13923, 35169), (15561, 31467), (16659, 29393), (20349, 24063)]