18225039

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 29352960

約数和(自身を除く): 11127921

約数列:

[1, 3, 7, 21, 23, 69, 97, 161, 291, 389, 483, 679, 1167, 2037, 2231, 2723, 6693, 8169, 8947, 15617, 26841, 37733, 46851, 62629, 113199, 187887, 264131, 792393, 867859, 2603577, 6075013, 18225039]

約数ペア:

[(1, 18225039), (3, 6075013), (7, 2603577), (21, 867859), (23, 792393), (69, 264131), (97, 187887), (161, 113199), (291, 62629), (389, 46851), (483, 37733), (679, 26841), (1167, 15617), (2037, 8947), (2231, 8169), (2723, 6693)]