200921217

素因数分解:

$3^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{5197}}^1$

素因数の和:5477

約数の個数: 24

約数和(自身を含む): 312878016

約数和(自身を除く): 111956799

約数列:

[1, 3, 7, 21, 49, 147, 263, 789, 1841, 5197, 5523, 12887, 15591, 36379, 38661, 109137, 254653, 763959, 1366811, 4100433, 9567677, 28703031, 66973739, 200921217]

約数ペア:

[(1, 200921217), (3, 66973739), (7, 28703031), (21, 9567677), (49, 4100433), (147, 1366811), (263, 763959), (789, 254653), (1841, 109137), (5197, 38661), (5523, 36379), (12887, 15591)]