30972627

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15859}}^1$

素因数の和:15903

約数の個数: 24

約数和(自身を含む): 52782080

約数和(自身を除く): 21809453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 15859, 47577, 111013, 142731, 333039, 491629, 999117, 1474887, 3441403, 4424661, 10324209, 30972627]

約数ペア:

[(1, 30972627), (3, 10324209), (7, 4424661), (9, 3441403), (21, 1474887), (31, 999117), (63, 491629), (93, 333039), (217, 142731), (279, 111013), (651, 47577), (1953, 15859)]