61191225

素因数分解:

$3^2\times 5^2\times {\mathrm{431}}^1\times {\mathrm{631}}^1$

素因数の和:1078

約数の個数: 36

約数和(自身を含む): 110028672

約数和(自身を除く): 48837447

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 431, 631, 1293, 1893, 2155, 3155, 3879, 5679, 6465, 9465, 10775, 15775, 19395, 28395, 32325, 47325, 96975, 141975, 271961, 815883, 1359805, 2447649, 4079415, 6799025, 12238245, 20397075, 61191225]

約数ペア:

[(1, 61191225), (3, 20397075), (5, 12238245), (9, 6799025), (15, 4079415), (25, 2447649), (45, 1359805), (75, 815883), (225, 271961), (431, 141975), (631, 96975), (1293, 47325), (1893, 32325), (2155, 28395), (3155, 19395), (3879, 15775), (5679, 10775), (6465, 9465)]