15663017865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1\times {\mathrm{1621}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 27604000512

約数和(自身を除く): 11940982647

約数列:

[1, 3, 5, 11, 15, 33, 55, 157, 165, 373, 471, 785, 1119, 1621, 1727, 1865, 2355, 4103, 4863, 5181, 5595, 8105, 8635, 12309, 17831, 20515, 24315, 25905, 53493, 58561, 61545, 89155, 175683, 254497, 267465, 292805, 604633, 644171, 763491, 878415, 1272485, 1813899, 1932513, 2799467, 3023165, 3220855, 3817455, 6650963, 8398401, 9069495, 9662565, 13997335, 19952889, 33254815, 41992005, 94927381, 99764445, 284782143, 474636905, 1044201191, 1423910715, 3132603573, 5221005955, 15663017865]

約数ペア:

[(1, 15663017865), (3, 5221005955), (5, 3132603573), (11, 1423910715), (15, 1044201191), (33, 474636905), (55, 284782143), (157, 99764445), (165, 94927381), (373, 41992005), (471, 33254815), (785, 19952889), (1119, 13997335), (1621, 9662565), (1727, 9069495), (1865, 8398401), (2355, 6650963), (4103, 3817455), (4863, 3220855), (5181, 3023165), (5595, 2799467), (8105, 1932513), (8635, 1813899), (12309, 1272485), (17831, 878415), (20515, 763491), (24315, 644171), (25905, 604633), (53493, 292805), (58561, 267465), (61545, 254497), (89155, 175683)]