68996295

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 123675552

約数和(自身を除く): 54679257

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 181, 197, 215, 387, 543, 591, 645, 905, 985, 1629, 1773, 1935, 2715, 2955, 7783, 8145, 8471, 8865, 23349, 25413, 35657, 38915, 42355, 70047, 76239, 106971, 116745, 127065, 178285, 320913, 350235, 381195, 534855, 1533251, 1604565, 4599753, 7666255, 13799259, 22998765, 68996295]

約数ペア:

[(1, 68996295), (3, 22998765), (5, 13799259), (9, 7666255), (15, 4599753), (43, 1604565), (45, 1533251), (129, 534855), (181, 381195), (197, 350235), (215, 320913), (387, 178285), (543, 127065), (591, 116745), (645, 106971), (905, 76239), (985, 70047), (1629, 42355), (1773, 38915), (1935, 35657), (2715, 25413), (2955, 23349), (7783, 8865), (8145, 8471)]