28218363

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 42028800

約数和(自身を除く): 13810437

約数列:

[1, 3, 19, 29, 43, 57, 87, 129, 397, 551, 817, 1191, 1247, 1653, 2451, 3741, 7543, 11513, 17071, 22629, 23693, 34539, 51213, 71079, 218747, 324349, 495059, 656241, 973047, 1485177, 9406121, 28218363]

約数ペア:

[(1, 28218363), (3, 9406121), (19, 1485177), (29, 973047), (43, 656241), (57, 495059), (87, 324349), (129, 218747), (397, 71079), (551, 51213), (817, 34539), (1191, 23693), (1247, 22629), (1653, 17071), (2451, 11513), (3741, 7543)]