8708427

素因数分解:

$3^2\times 7^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 60

約数和(自身を含む): 16313024

約数和(自身を除く): 7604597

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 117, 147, 217, 273, 279, 343, 403, 441, 637, 651, 819, 1029, 1209, 1519, 1911, 1953, 2401, 2821, 3087, 3627, 4459, 4557, 5733, 7203, 8463, 10633, 13377, 13671, 19747, 21609, 25389, 31213, 31899, 40131, 59241, 74431, 93639, 95697, 138229, 177723, 223293, 280917, 414687, 669879, 967603, 1244061, 2902809, 8708427]

約数ペア:

[(1, 8708427), (3, 2902809), (7, 1244061), (9, 967603), (13, 669879), (21, 414687), (31, 280917), (39, 223293), (49, 177723), (63, 138229), (91, 95697), (93, 93639), (117, 74431), (147, 59241), (217, 40131), (273, 31899), (279, 31213), (343, 25389), (403, 21609), (441, 19747), (637, 13671), (651, 13377), (819, 10633), (1029, 8463), (1209, 7203), (1519, 5733), (1911, 4557), (1953, 4459), (2401, 3627), (2821, 3087)]