398006271

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{19219}}^1$

素因数の和:19300

約数の個数: 32

約数和(自身を含む): 645792000

約数和(自身を除く): 247785729

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 1593, 2301, 6903, 19219, 20709, 57657, 172971, 249847, 518913, 749541, 1133921, 2248623, 3401763, 6745869, 10205289, 14740973, 30615867, 44222919, 132668757, 398006271]

約数ペア:

[(1, 398006271), (3, 132668757), (9, 44222919), (13, 30615867), (27, 14740973), (39, 10205289), (59, 6745869), (117, 3401763), (177, 2248623), (351, 1133921), (531, 749541), (767, 518913), (1593, 249847), (2301, 172971), (6903, 57657), (19219, 20709)]