388936197

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 634233600

約数和(自身を除く): 245297403

約数列:

[1, 3, 9, 13, 29, 39, 79, 87, 117, 237, 261, 377, 711, 1027, 1131, 1451, 2291, 3081, 3393, 4353, 6873, 9243, 13059, 18863, 20619, 29783, 42079, 56589, 89349, 114629, 126237, 169767, 268047, 343887, 378711, 547027, 1031661, 1490177, 1641081, 3324241, 4470531, 4923243, 9972723, 13411593, 29918169, 43215133, 129645399, 388936197]

約数ペア:

[(1, 388936197), (3, 129645399), (9, 43215133), (13, 29918169), (29, 13411593), (39, 9972723), (79, 4923243), (87, 4470531), (117, 3324241), (237, 1641081), (261, 1490177), (377, 1031661), (711, 547027), (1027, 378711), (1131, 343887), (1451, 268047), (2291, 169767), (3081, 126237), (3393, 114629), (4353, 89349), (6873, 56589), (9243, 42079), (13059, 29783), (18863, 20619)]