25501437

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 16431363

約数列:

[1, 3, 9, 13, 31, 39, 79, 89, 93, 117, 237, 267, 279, 403, 711, 801, 1027, 1157, 1209, 2449, 2759, 3081, 3471, 3627, 7031, 7347, 8277, 9243, 10413, 21093, 22041, 24831, 31837, 35867, 63279, 91403, 95511, 107601, 217961, 274209, 286533, 322803, 653883, 822627, 1961649, 2833493, 8500479, 25501437]

約数ペア:

[(1, 25501437), (3, 8500479), (9, 2833493), (13, 1961649), (31, 822627), (39, 653883), (79, 322803), (89, 286533), (93, 274209), (117, 217961), (237, 107601), (267, 95511), (279, 91403), (403, 63279), (711, 35867), (801, 31837), (1027, 24831), (1157, 22041), (1209, 21093), (2449, 10413), (2759, 9243), (3081, 8277), (3471, 7347), (3627, 7031)]