64446225

素因数分解:

$3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 110112000

約数和(自身を除く): 45665775

約数列:

[1, 3, 5, 15, 25, 73, 75, 79, 149, 219, 237, 365, 395, 447, 745, 1095, 1185, 1825, 1975, 2235, 3725, 5475, 5767, 5925, 10877, 11175, 11771, 17301, 28835, 32631, 35313, 54385, 58855, 86505, 144175, 163155, 176565, 271925, 294275, 432525, 815775, 859283, 882825, 2577849, 4296415, 12889245, 21482075, 64446225]

約数ペア:

[(1, 64446225), (3, 21482075), (5, 12889245), (15, 4296415), (25, 2577849), (73, 882825), (75, 859283), (79, 815775), (149, 432525), (219, 294275), (237, 271925), (365, 176565), (395, 163155), (447, 144175), (745, 86505), (1095, 58855), (1185, 54385), (1825, 35313), (1975, 32631), (2235, 28835), (3725, 17301), (5475, 11771), (5767, 11175), (5925, 10877)]