25513185

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 17254815

約数列:

[1, 3, 5, 15, 29, 87, 89, 145, 267, 435, 445, 659, 1335, 1977, 2581, 3295, 7743, 9885, 12905, 19111, 38715, 57333, 58651, 95555, 175953, 286665, 293255, 879765, 1700879, 5102637, 8504395, 25513185]

約数ペア:

[(1, 25513185), (3, 8504395), (5, 5102637), (15, 1700879), (29, 879765), (87, 293255), (89, 286665), (145, 175953), (267, 95555), (435, 58651), (445, 57333), (659, 38715), (1335, 19111), (1977, 12905), (2581, 9885), (3295, 7743)]