18271005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 31238784

約数和(自身を除く): 12967779

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 523, 685, 1569, 2055, 2329, 2615, 6987, 7845, 8891, 11645, 26673, 34935, 44455, 71651, 133365, 214953, 358255, 1074765, 1218067, 3654201, 6090335, 18271005]

約数ペア:

[(1, 18271005), (3, 6090335), (5, 3654201), (15, 1218067), (17, 1074765), (51, 358255), (85, 214953), (137, 133365), (255, 71651), (411, 44455), (523, 34935), (685, 26673), (1569, 11645), (2055, 8891), (2329, 7845), (2615, 6987)]