1338705

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 2358720

約数和(自身を除く): 1020015

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 419, 639, 1065, 1257, 2095, 3195, 3771, 6285, 18855, 29749, 89247, 148745, 267741, 446235, 1338705]

約数ペア:

[(1, 1338705), (3, 446235), (5, 267741), (9, 148745), (15, 89247), (45, 29749), (71, 18855), (213, 6285), (355, 3771), (419, 3195), (639, 2095), (1065, 1257)]