28607685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2609}}^1$

素因数の和:2677

約数の個数: 32

約数和(自身を含む): 49610880

約数和(自身を除く): 21003195

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 2609, 3655, 7827, 10965, 13045, 39135, 44353, 112187, 133059, 221765, 336561, 560935, 665295, 1682805, 1907179, 5721537, 9535895, 28607685]

約数ペア:

[(1, 28607685), (3, 9535895), (5, 5721537), (15, 1907179), (17, 1682805), (43, 665295), (51, 560935), (85, 336561), (129, 221765), (215, 133059), (255, 112187), (645, 44353), (731, 39135), (2193, 13045), (2609, 10965), (3655, 7827)]