313478907

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1\times {\mathrm{631}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 490957824

約数和(自身を除く): 177478917

約数列:

[1, 3, 7, 21, 41, 123, 287, 577, 631, 861, 1731, 1893, 4039, 4417, 12117, 13251, 23657, 25871, 70971, 77613, 165599, 181097, 364087, 496797, 543291, 1092261, 2548609, 7645827, 14927567, 44782701, 104492969, 313478907]

約数ペア:

[(1, 313478907), (3, 104492969), (7, 44782701), (21, 14927567), (41, 7645827), (123, 2548609), (287, 1092261), (577, 543291), (631, 496797), (861, 364087), (1731, 181097), (1893, 165599), (4039, 77613), (4417, 70971), (12117, 25871), (13251, 23657)]