83640627

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 150405120

約数和(自身を除く): 66764493

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 71, 161, 189, 207, 213, 271, 483, 497, 621, 639, 813, 1449, 1491, 1633, 1897, 1917, 2439, 4347, 4473, 4899, 5691, 6233, 7317, 11431, 13419, 14697, 17073, 18699, 19241, 34293, 43631, 44091, 51219, 56097, 57723, 102879, 130893, 134687, 168291, 173169, 308637, 392679, 404061, 442543, 519507, 1178037, 1212183, 1327629, 3097801, 3636549, 3982887, 9293403, 11948661, 27880209, 83640627]

約数ペア:

[(1, 83640627), (3, 27880209), (7, 11948661), (9, 9293403), (21, 3982887), (23, 3636549), (27, 3097801), (63, 1327629), (69, 1212183), (71, 1178037), (161, 519507), (189, 442543), (207, 404061), (213, 392679), (271, 308637), (483, 173169), (497, 168291), (621, 134687), (639, 130893), (813, 102879), (1449, 57723), (1491, 56097), (1633, 51219), (1897, 44091), (1917, 43631), (2439, 34293), (4347, 19241), (4473, 18699), (4899, 17073), (5691, 14697), (6233, 13419), (7317, 11431)]