890290845

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{30113}}^1$

素因数の和:30203

約数の個数: 40

約数和(自身を含む): 1617844536

約数和(自身を除く): 727553691

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1095, 1971, 3285, 5913, 9855, 29565, 30113, 90339, 150565, 271017, 451695, 813051, 1355085, 2198249, 2439153, 4065255, 6594747, 10991245, 12195765, 19784241, 32973735, 59352723, 98921205, 178058169, 296763615, 890290845]

約数ペア:

[(1, 890290845), (3, 296763615), (5, 178058169), (9, 98921205), (15, 59352723), (27, 32973735), (45, 19784241), (73, 12195765), (81, 10991245), (135, 6594747), (219, 4065255), (365, 2439153), (405, 2198249), (657, 1355085), (1095, 813051), (1971, 451695), (3285, 271017), (5913, 150565), (9855, 90339), (29565, 30113)]