1628991

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 60

約数和(自身を含む): 3188592

約数和(自身を除く): 1559601

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 81, 91, 117, 119, 153, 169, 189, 221, 273, 351, 357, 459, 507, 567, 663, 819, 1053, 1071, 1183, 1377, 1521, 1547, 1989, 2457, 2873, 3213, 3549, 4563, 4641, 5967, 7371, 8619, 9639, 10647, 13689, 13923, 17901, 20111, 25857, 31941, 41769, 60333, 77571, 95823, 125307, 180999, 232713, 542997, 1628991]

約数ペア:

[(1, 1628991), (3, 542997), (7, 232713), (9, 180999), (13, 125307), (17, 95823), (21, 77571), (27, 60333), (39, 41769), (51, 31941), (63, 25857), (81, 20111), (91, 17901), (117, 13923), (119, 13689), (153, 10647), (169, 9639), (189, 8619), (221, 7371), (273, 5967), (351, 4641), (357, 4563), (459, 3549), (507, 3213), (567, 2873), (663, 2457), (819, 1989), (1053, 1547), (1071, 1521), (1183, 1377)]