28798107

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 42163200

約数和(自身を除く): 13365093

約数列:

[1, 3, 13, 39, 79, 169, 237, 507, 719, 1027, 2157, 3081, 9347, 13351, 28041, 40053, 56801, 121511, 170403, 364533, 738413, 2215239, 9599369, 28798107]

約数ペア:

[(1, 28798107), (3, 9599369), (13, 2215239), (39, 738413), (79, 364533), (169, 170403), (237, 121511), (507, 56801), (719, 40053), (1027, 28041), (2157, 13351), (3081, 9347)]