28803411

素因数分解:

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

素因数の和:665

約数の個数: 64

約数和(自身を含む): 55372800

約数和(自身を除く): 26569389

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 351, 399, 513, 617, 741, 819, 1197, 1729, 1851, 2223, 2457, 3591, 4319, 5187, 5553, 6669, 8021, 11723, 12957, 15561, 16659, 24063, 35169, 38871, 46683, 56147, 72189, 82061, 105507, 116613, 152399, 168441, 216567, 246183, 316521, 457197, 505323, 738549, 1066793, 1371591, 1515969, 2215647, 3200379, 4114773, 9601137, 28803411]

約数ペア:

[(1, 28803411), (3, 9601137), (7, 4114773), (9, 3200379), (13, 2215647), (19, 1515969), (21, 1371591), (27, 1066793), (39, 738549), (57, 505323), (63, 457197), (91, 316521), (117, 246183), (133, 216567), (171, 168441), (189, 152399), (247, 116613), (273, 105507), (351, 82061), (399, 72189), (513, 56147), (617, 46683), (741, 38871), (819, 35169), (1197, 24063), (1729, 16659), (1851, 15561), (2223, 12957), (2457, 11723), (3591, 8021), (4319, 6669), (5187, 5553)]