8309457

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 13977600

約数和(自身を除く): 5668143

約数列:

[1, 3, 9, 13, 29, 31, 39, 79, 87, 93, 117, 237, 261, 279, 377, 403, 711, 899, 1027, 1131, 1209, 2291, 2449, 2697, 3081, 3393, 3627, 6873, 7347, 8091, 9243, 11687, 20619, 22041, 29783, 31837, 35061, 71021, 89349, 95511, 105183, 213063, 268047, 286533, 639189, 923273, 2769819, 8309457]

約数ペア:

[(1, 8309457), (3, 2769819), (9, 923273), (13, 639189), (29, 286533), (31, 268047), (39, 213063), (79, 105183), (87, 95511), (93, 89349), (117, 71021), (237, 35061), (261, 31837), (279, 29783), (377, 22041), (403, 20619), (711, 11687), (899, 9243), (1027, 8091), (1131, 7347), (1209, 6873), (2291, 3627), (2449, 3393), (2697, 3081)]