28052199

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{7547}}^1$

素因数の和:7619

約数の個数: 24

約数和(自身を含む): 47099520

約数和(自身を除く): 19047321

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 7547, 22641, 52829, 67923, 158487, 445273, 475461, 1335819, 3116911, 4007457, 9350733, 28052199]

約数ペア:

[(1, 28052199), (3, 9350733), (7, 4007457), (9, 3116911), (21, 1335819), (59, 475461), (63, 445273), (177, 158487), (413, 67923), (531, 52829), (1239, 22641), (3717, 7547)]