128974365

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220469}}^1$

素因数の和:220493

約数の個数: 24

約数和(自身を含む): 240753240

約数和(自身を除く): 111778875

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 220469, 661407, 1102345, 1984221, 2866097, 3307035, 8598291, 9921105, 14330485, 25794873, 42991455, 128974365]

約数ペア:

[(1, 128974365), (3, 42991455), (5, 25794873), (9, 14330485), (13, 9921105), (15, 8598291), (39, 3307035), (45, 2866097), (65, 1984221), (117, 1102345), (195, 661407), (585, 220469)]