253611645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{34019}}^1$

素因数の和:34105

約数の個数: 32

約数和(自身を含む): 470292480

約数和(自身を除く): 216680835

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 34019, 102057, 170095, 238133, 510285, 714399, 1190665, 2415349, 3571995, 7246047, 12076745, 16907443, 36230235, 50722329, 84537215, 253611645]

約数ペア:

[(1, 253611645), (3, 84537215), (5, 50722329), (7, 36230235), (15, 16907443), (21, 12076745), (35, 7246047), (71, 3571995), (105, 2415349), (213, 1190665), (355, 714399), (497, 510285), (1065, 238133), (1491, 170095), (2485, 102057), (7455, 34019)]