18404145

素因数分解:

$3^3\times 5^1\times {\mathrm{136327}}^1$

素因数の和:136341

約数の個数: 16

約数和(自身を含む): 32718720

約数和(自身を除く): 14314575

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 136327, 408981, 681635, 1226943, 2044905, 3680829, 6134715, 18404145]

約数ペア:

[(1, 18404145), (3, 6134715), (5, 3680829), (9, 2044905), (15, 1226943), (27, 681635), (45, 408981), (135, 136327)]