399023325

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61153}}^1$

素因数の和:61198

約数の個数: 36

約数和(自身を含む): 739351860

約数和(自身を除く): 340328535

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 61153, 183459, 305765, 550377, 917295, 1528825, 1773437, 2751885, 4586475, 5320311, 8867185, 13759425, 15960933, 26601555, 44335925, 79804665, 133007775, 399023325]

約数ペア:

[(1, 399023325), (3, 133007775), (5, 79804665), (9, 44335925), (15, 26601555), (25, 15960933), (29, 13759425), (45, 8867185), (75, 5320311), (87, 4586475), (145, 2751885), (225, 1773437), (261, 1528825), (435, 917295), (725, 550377), (1305, 305765), (2175, 183459), (6525, 61153)]