30381091

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 6874589

約数列:

[1, 13, 17, 23, 43, 139, 221, 299, 391, 559, 731, 989, 1807, 2363, 3197, 5083, 5977, 9503, 12857, 16813, 30719, 41561, 54349, 77701, 101609, 137471, 218569, 706537, 1320917, 1787123, 2337007, 30381091]

約数ペア:

[(1, 30381091), (13, 2337007), (17, 1787123), (23, 1320917), (43, 706537), (139, 218569), (221, 137471), (299, 101609), (391, 77701), (559, 54349), (731, 41561), (989, 30719), (1807, 16813), (2363, 12857), (3197, 9503), (5083, 5977)]