189997491

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 274710528

約数和(自身を除く): 84713037

約数列:

[1, 3, 17, 51, 71, 137, 213, 383, 411, 1149, 1207, 2329, 3621, 6511, 6987, 9727, 19533, 27193, 29181, 52471, 81579, 157413, 165359, 462281, 496077, 892007, 1386843, 2676021, 3725441, 11176323, 63332497, 189997491]

約数ペア:

[(1, 189997491), (3, 63332497), (17, 11176323), (51, 3725441), (71, 2676021), (137, 1386843), (213, 892007), (383, 496077), (411, 462281), (1149, 165359), (1207, 157413), (2329, 81579), (3621, 52471), (6511, 29181), (6987, 27193), (9727, 19533)]