72446787

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 125199360

約数和(自身を除く): 52752573

約数列:

[1, 3, 7, 9, 21, 43, 47, 63, 129, 141, 301, 329, 387, 423, 569, 903, 987, 1707, 2021, 2709, 2961, 3983, 5121, 6063, 11949, 14147, 18189, 24467, 26743, 35847, 42441, 73401, 80229, 127323, 171269, 187201, 220203, 240687, 513807, 561603, 1149949, 1541421, 1684809, 3449847, 8049643, 10349541, 24148929, 72446787]

約数ペア:

[(1, 72446787), (3, 24148929), (7, 10349541), (9, 8049643), (21, 3449847), (43, 1684809), (47, 1541421), (63, 1149949), (129, 561603), (141, 513807), (301, 240687), (329, 220203), (387, 187201), (423, 171269), (569, 127323), (903, 80229), (987, 73401), (1707, 42441), (2021, 35847), (2709, 26743), (2961, 24467), (3983, 18189), (5121, 14147), (6063, 11949)]