1940679

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 3320240

約数和(自身を除く): 1379561

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 97, 117, 171, 247, 291, 351, 513, 741, 873, 1053, 1261, 1539, 1843, 2223, 2619, 3783, 5529, 6669, 7857, 11349, 16587, 20007, 23959, 34047, 49761, 71877, 102141, 149283, 215631, 646893, 1940679]

約数ペア:

[(1, 1940679), (3, 646893), (9, 215631), (13, 149283), (19, 102141), (27, 71877), (39, 49761), (57, 34047), (81, 23959), (97, 20007), (117, 16587), (171, 11349), (247, 7857), (291, 6669), (351, 5529), (513, 3783), (741, 2619), (873, 2223), (1053, 1843), (1261, 1539)]