65812257

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 121968000

約数和(自身を除く): 56155743

約数列:

[1, 3, 7, 9, 19, 21, 27, 41, 57, 63, 81, 123, 133, 149, 171, 189, 287, 369, 399, 447, 513, 567, 779, 861, 1043, 1107, 1197, 1341, 1539, 2337, 2583, 2831, 3129, 3321, 3591, 4023, 5453, 6109, 7011, 7749, 8493, 9387, 10773, 12069, 16359, 18327, 19817, 21033, 23247, 25479, 28161, 42763, 49077, 54981, 59451, 63099, 76437, 84483, 116071, 128289, 147231, 164943, 178353, 229311, 348213, 384867, 441693, 494829, 535059, 812497, 1044639, 1154601, 1605177, 2437491, 3133917, 3463803, 7312473, 9401751, 21937419, 65812257]

約数ペア:

[(1, 65812257), (3, 21937419), (7, 9401751), (9, 7312473), (19, 3463803), (21, 3133917), (27, 2437491), (41, 1605177), (57, 1154601), (63, 1044639), (81, 812497), (123, 535059), (133, 494829), (149, 441693), (171, 384867), (189, 348213), (287, 229311), (369, 178353), (399, 164943), (447, 147231), (513, 128289), (567, 116071), (779, 84483), (861, 76437), (1043, 63099), (1107, 59451), (1197, 54981), (1341, 49077), (1539, 42763), (2337, 28161), (2583, 25479), (2831, 23247), (3129, 21033), (3321, 19817), (3591, 18327), (4023, 16359), (5453, 12069), (6109, 10773), (7011, 9387), (7749, 8493)]