199658529

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{8147}}^1$

素因数の和:8549

約数の個数: 24

約数和(自身を含む): 330482880

約数和(自身を除く): 130824351

約数列:

[1, 3, 7, 9, 21, 63, 389, 1167, 2723, 3501, 8147, 8169, 24441, 24507, 57029, 73323, 171087, 513261, 3169183, 9507549, 22184281, 28522647, 66552843, 199658529]

約数ペア:

[(1, 199658529), (3, 66552843), (7, 28522647), (9, 22184281), (21, 9507549), (63, 3169183), (389, 513261), (1167, 171087), (2723, 73323), (3501, 57029), (8147, 24507), (8169, 24441)]