64647855

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1657}}^1$

素因数の和:1705

約数の個数: 48

約数和(自身を含む): 122161440

約数和(自身を除く): 57513585

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 459, 765, 867, 1445, 1657, 2295, 2601, 4335, 4971, 7803, 8285, 13005, 14913, 24855, 28169, 39015, 44739, 74565, 84507, 140845, 223695, 253521, 422535, 478873, 760563, 1267605, 1436619, 2394365, 3802815, 4309857, 7183095, 12929571, 21549285, 64647855]

約数ペア:

[(1, 64647855), (3, 21549285), (5, 12929571), (9, 7183095), (15, 4309857), (17, 3802815), (27, 2394365), (45, 1436619), (51, 1267605), (85, 760563), (135, 478873), (153, 422535), (255, 253521), (289, 223695), (459, 140845), (765, 84507), (867, 74565), (1445, 44739), (1657, 39015), (2295, 28169), (2601, 24855), (4335, 14913), (4971, 13005), (7803, 8285)]