16690665

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 27688320

約数和(自身を除く): 10997655

約数列:

[1, 3, 5, 15, 43, 113, 129, 215, 229, 339, 565, 645, 687, 1145, 1695, 3435, 4859, 9847, 14577, 24295, 25877, 29541, 49235, 72885, 77631, 129385, 147705, 388155, 1112711, 3338133, 5563555, 16690665]

約数ペア:

[(1, 16690665), (3, 5563555), (5, 3338133), (15, 1112711), (43, 388155), (113, 147705), (129, 129385), (215, 77631), (229, 72885), (339, 49235), (565, 29541), (645, 25877), (687, 24295), (1145, 14577), (1695, 9847), (3435, 4859)]