66985185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 119750400

約数和(自身を除く): 52765215

約数列:

[1, 3, 5, 15, 17, 41, 43, 51, 85, 123, 129, 149, 205, 215, 255, 447, 615, 645, 697, 731, 745, 1763, 2091, 2193, 2235, 2533, 3485, 3655, 5289, 6109, 6407, 7599, 8815, 10455, 10965, 12665, 18327, 19221, 26445, 29971, 30545, 32035, 37995, 89913, 91635, 96105, 103853, 108919, 149855, 262687, 311559, 326757, 449565, 519265, 544595, 788061, 1313435, 1557795, 1633785, 3940305, 4465679, 13397037, 22328395, 66985185]

約数ペア:

[(1, 66985185), (3, 22328395), (5, 13397037), (15, 4465679), (17, 3940305), (41, 1633785), (43, 1557795), (51, 1313435), (85, 788061), (123, 544595), (129, 519265), (149, 449565), (205, 326757), (215, 311559), (255, 262687), (447, 149855), (615, 108919), (645, 103853), (697, 96105), (731, 91635), (745, 89913), (1763, 37995), (2091, 32035), (2193, 30545), (2235, 29971), (2533, 26445), (3485, 19221), (3655, 18327), (5289, 12665), (6109, 10965), (6407, 10455), (7599, 8815)]