646893

素因数分解:

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

素因数の和:138

約数の個数: 32

約数和(自身を含む): 1097600

約数和(自身を除く): 450707

約数列:

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

約数ペア:

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