28472235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4013}}^1$

素因数の和:4075

約数の個数: 32

約数和(自身を含む): 50865408

約数和(自身を除く): 22393173

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 4013, 7095, 12039, 20065, 44143, 60195, 132429, 172559, 220715, 517677, 662145, 862795, 1898149, 2588385, 5694447, 9490745, 28472235]

約数ペア:

[(1, 28472235), (3, 9490745), (5, 5694447), (11, 2588385), (15, 1898149), (33, 862795), (43, 662145), (55, 517677), (129, 220715), (165, 172559), (215, 132429), (473, 60195), (645, 44143), (1419, 20065), (2365, 12039), (4013, 7095)]