64321695

素因数分解:

$3^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{659}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 115956720

約数和(自身を除く): 51635025

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 241, 405, 659, 723, 1205, 1977, 2169, 3295, 3615, 5931, 6507, 9885, 10845, 17793, 19521, 29655, 32535, 53379, 88965, 97605, 158819, 266895, 476457, 794095, 1429371, 2382285, 4288113, 7146855, 12864339, 21440565, 64321695]

約数ペア:

[(1, 64321695), (3, 21440565), (5, 12864339), (9, 7146855), (15, 4288113), (27, 2382285), (45, 1429371), (81, 794095), (135, 476457), (241, 266895), (405, 158819), (659, 97605), (723, 88965), (1205, 53379), (1977, 32535), (2169, 29655), (3295, 19521), (3615, 17793), (5931, 10845), (6507, 9885)]