30531753

素因数分解:

$3^2\times 7^2\times {\mathrm{69233}}^1$

素因数の和:69253

約数の個数: 18

約数和(自身を含む): 51302394

約数和(自身を除く): 20770641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 69233, 207699, 484631, 623097, 1453893, 3392417, 4361679, 10177251, 30531753]

約数ペア:

[(1, 30531753), (3, 10177251), (7, 4361679), (9, 3392417), (21, 1453893), (49, 623097), (63, 484631), (147, 207699), (441, 69233)]