15719625

素因数分解:

$3^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 48

約数和(自身を含む): 28838160

約数和(自身を除く): 13118535

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 125, 157, 225, 267, 375, 445, 471, 785, 801, 1125, 1335, 1413, 2225, 2355, 3925, 4005, 6675, 7065, 11125, 11775, 13973, 19625, 20025, 33375, 35325, 41919, 58875, 69865, 100125, 125757, 176625, 209595, 349325, 628785, 1047975, 1746625, 3143925, 5239875, 15719625]

約数ペア:

[(1, 15719625), (3, 5239875), (5, 3143925), (9, 1746625), (15, 1047975), (25, 628785), (45, 349325), (75, 209595), (89, 176625), (125, 125757), (157, 100125), (225, 69865), (267, 58875), (375, 41919), (445, 35325), (471, 33375), (785, 20025), (801, 19625), (1125, 13973), (1335, 11775), (1413, 11125), (2225, 7065), (2355, 6675), (3925, 4005)]