64620555

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 107784000

約数和(自身を除く): 43163445

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 447, 745, 997, 2235, 2991, 4321, 4985, 12963, 14955, 21605, 28913, 64815, 86739, 144565, 148553, 433695, 445659, 742765, 2228295, 4308037, 12924111, 21540185, 64620555]

約数ペア:

[(1, 64620555), (3, 21540185), (5, 12924111), (15, 4308037), (29, 2228295), (87, 742765), (145, 445659), (149, 433695), (435, 148553), (447, 144565), (745, 86739), (997, 64815), (2235, 28913), (2991, 21605), (4321, 14955), (4985, 12963)]