312754585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1039}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 442391040

約数和(自身を除く): 129636455

約数列:

[1, 5, 11, 13, 55, 65, 143, 421, 715, 1039, 2105, 4631, 5195, 5473, 11429, 13507, 23155, 27365, 57145, 60203, 67535, 148577, 301015, 437419, 742885, 2187095, 4811609, 5686447, 24058045, 28432235, 62550917, 312754585]

約数ペア:

[(1, 312754585), (5, 62550917), (11, 28432235), (13, 24058045), (55, 5686447), (65, 4811609), (143, 2187095), (421, 742885), (715, 437419), (1039, 301015), (2105, 148577), (4631, 67535), (5195, 60203), (5473, 57145), (11429, 27365), (13507, 23155)]