18361431

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 29917440

約数和(自身を除く): 11556009

約数列:

[1, 3, 9, 11, 27, 33, 99, 211, 293, 297, 633, 879, 1899, 2321, 2637, 3223, 5697, 6963, 7911, 9669, 20889, 29007, 61823, 62667, 87021, 185469, 556407, 680053, 1669221, 2040159, 6120477, 18361431]

約数ペア:

[(1, 18361431), (3, 6120477), (9, 2040159), (11, 1669221), (27, 680053), (33, 556407), (99, 185469), (211, 87021), (293, 62667), (297, 61823), (633, 29007), (879, 20889), (1899, 9669), (2321, 7911), (2637, 6963), (3223, 5697)]