128550123

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 207182976

約数和(自身を除く): 78632853

約数列:

[1, 3, 9, 13, 39, 47, 97, 117, 141, 241, 291, 423, 611, 723, 873, 1261, 1833, 2169, 3133, 3783, 4559, 5499, 9399, 11327, 11349, 13677, 23377, 28197, 33981, 41031, 59267, 70131, 101943, 147251, 177801, 210393, 303901, 441753, 533403, 911703, 1098719, 1325259, 2735109, 3296157, 9888471, 14283347, 42850041, 128550123]

約数ペア:

[(1, 128550123), (3, 42850041), (9, 14283347), (13, 9888471), (39, 3296157), (47, 2735109), (97, 1325259), (117, 1098719), (141, 911703), (241, 533403), (291, 441753), (423, 303901), (611, 210393), (723, 177801), (873, 147251), (1261, 101943), (1833, 70131), (2169, 59267), (3133, 41031), (3783, 33981), (4559, 28197), (5499, 23377), (9399, 13677), (11327, 11349)]