64780335

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 116138880

約数和(自身を除く): 51358545

約数列:

[1, 3, 5, 9, 15, 45, 47, 109, 141, 235, 281, 327, 423, 545, 705, 843, 981, 1405, 1635, 2115, 2529, 4215, 4905, 5123, 12645, 13207, 15369, 25615, 30629, 39621, 46107, 66035, 76845, 91887, 118863, 153145, 198105, 230535, 275661, 459435, 594315, 1378305, 1439563, 4318689, 7197815, 12956067, 21593445, 64780335]

約数ペア:

[(1, 64780335), (3, 21593445), (5, 12956067), (9, 7197815), (15, 4318689), (45, 1439563), (47, 1378305), (109, 594315), (141, 459435), (235, 275661), (281, 230535), (327, 198105), (423, 153145), (545, 118863), (705, 91887), (843, 76845), (981, 66035), (1405, 46107), (1635, 39621), (2115, 30629), (2529, 25615), (4215, 15369), (4905, 13207), (5123, 12645)]