64481265

素因数分解:

$3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 117656448

約数和(自身を除く): 53175183

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 243, 365, 405, 657, 727, 1095, 1215, 1971, 2181, 3285, 3635, 5913, 6543, 9855, 10905, 17739, 19629, 29565, 32715, 53071, 58887, 88695, 98145, 159213, 176661, 265355, 294435, 477639, 796065, 883305, 1432917, 2388195, 4298751, 7164585, 12896253, 21493755, 64481265]

約数ペア:

[(1, 64481265), (3, 21493755), (5, 12896253), (9, 7164585), (15, 4298751), (27, 2388195), (45, 1432917), (73, 883305), (81, 796065), (135, 477639), (219, 294435), (243, 265355), (365, 176661), (405, 159213), (657, 98145), (727, 88695), (1095, 58887), (1215, 53071), (1971, 32715), (2181, 29565), (3285, 19629), (3635, 17739), (5913, 10905), (6543, 9855)]