27942690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21661}}^1$

素因数の和:21714

約数の個数: 32

約数和(自身を含む): 68625216

約数和(自身を除く): 40682526

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 21661, 43322, 64983, 108305, 129966, 216610, 324915, 649830, 931423, 1862846, 2794269, 4657115, 5588538, 9314230, 13971345, 27942690]

約数ペア:

[(1, 27942690), (2, 13971345), (3, 9314230), (5, 5588538), (6, 4657115), (10, 2794269), (15, 1862846), (30, 931423), (43, 649830), (86, 324915), (129, 216610), (215, 129966), (258, 108305), (430, 64983), (645, 43322), (1290, 21661)]