389675775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1013}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 675956736

約数和(自身を除く): 286280961

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 223, 345, 575, 669, 1013, 1115, 1725, 3039, 3345, 5065, 5129, 5575, 15195, 15387, 16725, 23299, 25325, 25645, 69897, 75975, 76935, 116495, 128225, 225899, 349485, 384675, 582475, 677697, 1129495, 1747425, 3388485, 5195677, 5647475, 15587031, 16942425, 25978385, 77935155, 129891925, 389675775]

約数ペア:

[(1, 389675775), (3, 129891925), (5, 77935155), (15, 25978385), (23, 16942425), (25, 15587031), (69, 5647475), (75, 5195677), (115, 3388485), (223, 1747425), (345, 1129495), (575, 677697), (669, 582475), (1013, 384675), (1115, 349485), (1725, 225899), (3039, 128225), (3345, 116495), (5065, 76935), (5129, 75975), (5575, 69897), (15195, 25645), (15387, 25325), (16725, 23299)]