15385275

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 29521920

約数和(自身を除く): 14136645

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 991, 1035, 1725, 2973, 3105, 4955, 5175, 8919, 14865, 15525, 22793, 24775, 26757, 44595, 68379, 74325, 113965, 133785, 205137, 222975, 341895, 569825, 615411, 668925, 1025685, 1709475, 3077055, 5128425, 15385275]

約数ペア:

[(1, 15385275), (3, 5128425), (5, 3077055), (9, 1709475), (15, 1025685), (23, 668925), (25, 615411), (27, 569825), (45, 341895), (69, 222975), (75, 205137), (115, 133785), (135, 113965), (207, 74325), (225, 68379), (345, 44595), (575, 26757), (621, 24775), (675, 22793), (991, 15525), (1035, 14865), (1725, 8919), (2973, 5175), (3105, 4955)]