689013

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{151}}^1$

素因数の和:186

約数の個数: 24

約数和(自身を含む): 1112640

約数和(自身を除く): 423627

約数列:

[1, 3, 9, 13, 27, 39, 117, 151, 169, 351, 453, 507, 1359, 1521, 1963, 4077, 4563, 5889, 17667, 25519, 53001, 76557, 229671, 689013]

約数ペア:

[(1, 689013), (3, 229671), (9, 76557), (13, 53001), (27, 25519), (39, 17667), (117, 5889), (151, 4563), (169, 4077), (351, 1963), (453, 1521), (507, 1359)]