399705855

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{10159}}^1$

素因数の和:10271

約数の個数: 32

約数和(自身を含む): 665195520

約数和(自身を除く): 265489665

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 645, 915, 2623, 7869, 10159, 13115, 30477, 39345, 50795, 152385, 436837, 619699, 1310511, 1859097, 2184185, 3098495, 6552555, 9295485, 26647057, 79941171, 133235285, 399705855]

約数ペア:

[(1, 399705855), (3, 133235285), (5, 79941171), (15, 26647057), (43, 9295485), (61, 6552555), (129, 3098495), (183, 2184185), (215, 1859097), (305, 1310511), (645, 619699), (915, 436837), (2623, 152385), (7869, 50795), (10159, 39345), (13115, 30477)]