840366969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{1151}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 1226502144

約数和(自身を除く): 386135175

約数列:

[1, 3, 13, 39, 97, 193, 291, 579, 1151, 1261, 2509, 3453, 3783, 7527, 14963, 18721, 44889, 56163, 111647, 222143, 243373, 334941, 666429, 730119, 1451411, 2887859, 4354233, 8663577, 21547871, 64643613, 280122323, 840366969]

約数ペア:

[(1, 840366969), (3, 280122323), (13, 64643613), (39, 21547871), (97, 8663577), (193, 4354233), (291, 2887859), (579, 1451411), (1151, 730119), (1261, 666429), (2509, 334941), (3453, 243373), (3783, 222143), (7527, 111647), (14963, 56163), (18721, 44889)]