28288491

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{811}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 47394816

約数和(自身を除く): 19106325

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 231, 453, 811, 1057, 1661, 2433, 3171, 4983, 5677, 8921, 11627, 17031, 26763, 34881, 62447, 122461, 187341, 367383, 857227, 1347071, 2571681, 4041213, 9429497, 28288491]

約数ペア:

[(1, 28288491), (3, 9429497), (7, 4041213), (11, 2571681), (21, 1347071), (33, 857227), (77, 367383), (151, 187341), (231, 122461), (453, 62447), (811, 34881), (1057, 26763), (1661, 17031), (2433, 11627), (3171, 8921), (4983, 5677)]