202025817

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 341003520

約数和(自身を除く): 138977703

約数列:

[1, 3, 7, 9, 21, 63, 89, 137, 263, 267, 411, 623, 789, 801, 959, 1233, 1841, 1869, 2367, 2877, 5523, 5607, 8631, 12193, 16569, 23407, 36031, 36579, 70221, 85351, 108093, 109737, 163849, 210663, 252217, 256053, 324279, 491547, 756651, 768159, 1474641, 2269953, 3206759, 9620277, 22447313, 28860831, 67341939, 202025817]

約数ペア:

[(1, 202025817), (3, 67341939), (7, 28860831), (9, 22447313), (21, 9620277), (63, 3206759), (89, 2269953), (137, 1474641), (263, 768159), (267, 756651), (411, 491547), (623, 324279), (789, 256053), (801, 252217), (959, 210663), (1233, 163849), (1841, 109737), (1869, 108093), (2367, 85351), (2877, 70221), (5523, 36579), (5607, 36031), (8631, 23407), (12193, 16569)]