17912349

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21897

約数の個数: 24

約数和(自身を含む): 31845632

約数和(自身を除く): 13933283

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 21871, 65613, 153097, 196839, 284323, 459291, 852969, 1377873, 1990261, 2558907, 5970783, 17912349]

約数ペア:

[(1, 17912349), (3, 5970783), (7, 2558907), (9, 1990261), (13, 1377873), (21, 852969), (39, 459291), (63, 284323), (91, 196839), (117, 153097), (273, 65613), (819, 21871)]