28027830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21727}}^1$

素因数の和:21780

約数の個数: 32

約数和(自身を含む): 68834304

約数和(自身を除く): 40806474

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 21727, 43454, 65181, 108635, 130362, 217270, 325905, 651810, 934261, 1868522, 2802783, 4671305, 5605566, 9342610, 14013915, 28027830]

約数ペア:

[(1, 28027830), (2, 14013915), (3, 9342610), (5, 5605566), (6, 4671305), (10, 2802783), (15, 1868522), (30, 934261), (43, 651810), (86, 325905), (129, 217270), (215, 130362), (258, 108635), (430, 65181), (645, 43454), (1290, 21727)]