28861989

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 43411200

約数和(自身を除く): 14549211

約数列:

[1, 3, 13, 29, 39, 87, 151, 169, 377, 453, 507, 1131, 1963, 2197, 4379, 4901, 5889, 6591, 13137, 14703, 25519, 56927, 63713, 76557, 170781, 191139, 331747, 740051, 995241, 2220153, 9620663, 28861989]

約数ペア:

[(1, 28861989), (3, 9620663), (13, 2220153), (29, 995241), (39, 740051), (87, 331747), (151, 191139), (169, 170781), (377, 76557), (453, 63713), (507, 56927), (1131, 25519), (1963, 14703), (2197, 13137), (4379, 6591), (4901, 5889)]