1638117

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{359}}^1$

素因数の和:394

約数の個数: 24

約数和(自身を含む): 2635200

約数和(自身を除く): 997083

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 359, 507, 1077, 1521, 3231, 4563, 4667, 9693, 14001, 42003, 60671, 126009, 182013, 546039, 1638117]

約数ペア:

[(1, 1638117), (3, 546039), (9, 182013), (13, 126009), (27, 60671), (39, 42003), (117, 14001), (169, 9693), (351, 4667), (359, 4563), (507, 3231), (1077, 1521)]