18359271

素因数分解:

$3^3\times 7^2\times {\mathrm{13877}}^1$

素因数の和:13900

約数の個数: 24

約数和(自身を含む): 31641840

約数和(自身を除く): 13282569

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13877, 41631, 97139, 124893, 291417, 374679, 679973, 874251, 2039919, 2622753, 6119757, 18359271]

約数ペア:

[(1, 18359271), (3, 6119757), (7, 2622753), (9, 2039919), (21, 874251), (27, 679973), (49, 374679), (63, 291417), (147, 124893), (189, 97139), (441, 41631), (1323, 13877)]