20171475

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2423}}^1$

素因数の和:2476

約数の個数: 36

約数和(自身を含む): 37121136

約数和(自身を除く): 16949661

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2423, 2775, 7269, 8325, 12115, 21807, 36345, 60575, 89651, 109035, 181725, 268953, 448255, 545175, 806859, 1344765, 2241275, 4034295, 6723825, 20171475]

約数ペア:

[(1, 20171475), (3, 6723825), (5, 4034295), (9, 2241275), (15, 1344765), (25, 806859), (37, 545175), (45, 448255), (75, 268953), (111, 181725), (185, 109035), (225, 89651), (333, 60575), (555, 36345), (925, 21807), (1665, 12115), (2423, 8325), (2775, 7269)]