68840145

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 134830080

約数和(自身を除く): 65989935

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 151, 165, 297, 307, 453, 495, 755, 921, 1359, 1485, 1535, 1661, 2265, 2763, 3377, 4077, 4605, 4983, 6795, 8289, 8305, 10131, 13815, 14949, 16885, 20385, 24915, 30393, 41445, 44847, 46357, 50655, 74745, 91179, 139071, 151965, 224235, 231785, 417213, 455895, 509927, 695355, 1251639, 1529781, 2086065, 2549635, 4589343, 6258195, 7648905, 13768029, 22946715, 68840145]

約数ペア:

[(1, 68840145), (3, 22946715), (5, 13768029), (9, 7648905), (11, 6258195), (15, 4589343), (27, 2549635), (33, 2086065), (45, 1529781), (55, 1251639), (99, 695355), (135, 509927), (151, 455895), (165, 417213), (297, 231785), (307, 224235), (453, 151965), (495, 139071), (755, 91179), (921, 74745), (1359, 50655), (1485, 46357), (1535, 44847), (1661, 41445), (2265, 30393), (2763, 24915), (3377, 20385), (4077, 16885), (4605, 14949), (4983, 13815), (6795, 10131), (8289, 8305)]