121390227

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{5521}}^1$

素因数の和:5883

約数の個数: 24

約数和(自身を含む): 201000800

約数和(自身を除く): 79610573

約数列:

[1, 3, 7, 9, 21, 63, 349, 1047, 2443, 3141, 5521, 7329, 16563, 21987, 38647, 49689, 115941, 347823, 1926829, 5780487, 13487803, 17341461, 40463409, 121390227]

約数ペア:

[(1, 121390227), (3, 40463409), (7, 17341461), (9, 13487803), (21, 5780487), (63, 1926829), (349, 347823), (1047, 115941), (2443, 49689), (3141, 38647), (5521, 21987), (7329, 16563)]