63889965

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2251

約数の個数: 40

約数和(自身を含む): 116151288

約数和(自身を除く): 52261323

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1095, 1971, 2161, 3285, 5913, 6483, 9855, 10805, 19449, 29565, 32415, 58347, 97245, 157753, 175041, 291735, 473259, 788765, 875205, 1419777, 2366295, 4259331, 7098885, 12777993, 21296655, 63889965]

約数ペア:

[(1, 63889965), (3, 21296655), (5, 12777993), (9, 7098885), (15, 4259331), (27, 2366295), (45, 1419777), (73, 875205), (81, 788765), (135, 473259), (219, 291735), (365, 175041), (405, 157753), (657, 97245), (1095, 58347), (1971, 32415), (2161, 29565), (3285, 19449), (5913, 10805), (6483, 9855)]