81461055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 150377472

約数和(自身を除く): 68916417

約数列:

[1, 3, 5, 13, 15, 23, 39, 41, 65, 69, 115, 123, 195, 205, 299, 345, 443, 533, 615, 897, 943, 1329, 1495, 1599, 2215, 2665, 2829, 4485, 4715, 5759, 6645, 7995, 10189, 12259, 14145, 17277, 18163, 28795, 30567, 36777, 50945, 54489, 61295, 86385, 90815, 132457, 152835, 183885, 236119, 272445, 397371, 417749, 662285, 708357, 1180595, 1253247, 1986855, 2088745, 3541785, 5430737, 6266235, 16292211, 27153685, 81461055]

約数ペア:

[(1, 81461055), (3, 27153685), (5, 16292211), (13, 6266235), (15, 5430737), (23, 3541785), (39, 2088745), (41, 1986855), (65, 1253247), (69, 1180595), (115, 708357), (123, 662285), (195, 417749), (205, 397371), (299, 272445), (345, 236119), (443, 183885), (533, 152835), (615, 132457), (897, 90815), (943, 86385), (1329, 61295), (1495, 54489), (1599, 50945), (2215, 36777), (2665, 30567), (2829, 28795), (4485, 18163), (4715, 17277), (5759, 14145), (6645, 12259), (7995, 10189)]