23131815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12959}}^1$

素因数の和:12991

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 21657945

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 12959, 38877, 64795, 90713, 194385, 220303, 272139, 453565, 660909, 1101515, 1360695, 1542121, 3304545, 4626363, 7710605, 23131815]

約数ペア:

[(1, 23131815), (3, 7710605), (5, 4626363), (7, 3304545), (15, 1542121), (17, 1360695), (21, 1101515), (35, 660909), (51, 453565), (85, 272139), (105, 220303), (119, 194385), (255, 90713), (357, 64795), (595, 38877), (1785, 12959)]