2017208745

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{317921}}^1$

素因数の和:317982

約数の個数: 32

約数和(自身を含む): 3662461440

約数和(自身を除く): 1645252695

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 317921, 953763, 1589605, 2861289, 4768815, 8583867, 14306445, 14942287, 42919335, 44826861, 74711435, 134480583, 224134305, 403441749, 672402915, 2017208745]

約数ペア:

[(1, 2017208745), (3, 672402915), (5, 403441749), (9, 224134305), (15, 134480583), (27, 74711435), (45, 44826861), (47, 42919335), (135, 14942287), (141, 14306445), (235, 8583867), (423, 4768815), (705, 2861289), (1269, 1589605), (2115, 953763), (6345, 317921)]