25890945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 42844032

約数和(自身を除く): 16953087

約数列:

[1, 3, 5, 15, 43, 129, 137, 215, 293, 411, 645, 685, 879, 1465, 2055, 4395, 5891, 12599, 17673, 29455, 37797, 40141, 62995, 88365, 120423, 188985, 200705, 602115, 1726063, 5178189, 8630315, 25890945]

約数ペア:

[(1, 25890945), (3, 8630315), (5, 5178189), (15, 1726063), (43, 602115), (129, 200705), (137, 188985), (215, 120423), (293, 88365), (411, 62995), (645, 40141), (685, 37797), (879, 29455), (1465, 17673), (2055, 12599), (4395, 5891)]