15992475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 28188672

約数和(自身を除く): 12196197

約数列:

[1, 3, 5, 15, 23, 25, 69, 73, 75, 115, 127, 219, 345, 365, 381, 575, 635, 1095, 1679, 1725, 1825, 1905, 2921, 3175, 5037, 5475, 8395, 8763, 9271, 9525, 14605, 25185, 27813, 41975, 43815, 46355, 73025, 125925, 139065, 213233, 219075, 231775, 639699, 695325, 1066165, 3198495, 5330825, 15992475]

約数ペア:

[(1, 15992475), (3, 5330825), (5, 3198495), (15, 1066165), (23, 695325), (25, 639699), (69, 231775), (73, 219075), (75, 213233), (115, 139065), (127, 125925), (219, 73025), (345, 46355), (365, 43815), (381, 41975), (575, 27813), (635, 25185), (1095, 14605), (1679, 9525), (1725, 9271), (1825, 8763), (1905, 8395), (2921, 5475), (3175, 5037)]