28911615

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 48033216

約数和(自身を除く): 19121601

約数列:

[1, 3, 5, 15, 37, 111, 113, 185, 339, 461, 555, 565, 1383, 1695, 2305, 4181, 6915, 12543, 17057, 20905, 51171, 52093, 62715, 85285, 156279, 255855, 260465, 781395, 1927441, 5782323, 9637205, 28911615]

約数ペア:

[(1, 28911615), (3, 9637205), (5, 5782323), (15, 1927441), (37, 781395), (111, 260465), (113, 255855), (185, 156279), (339, 85285), (461, 62715), (555, 52093), (565, 51171), (1383, 20905), (1695, 17057), (2305, 12543), (4181, 6915)]