66650895

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 122383872

約数和(自身を除く): 55732977

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 345, 355, 639, 907, 1035, 1065, 1633, 2721, 3195, 4535, 4899, 8163, 8165, 13605, 14697, 20861, 24495, 40815, 62583, 64397, 73485, 104305, 187749, 193191, 312915, 321985, 579573, 938745, 965955, 1481131, 2897865, 4443393, 7405655, 13330179, 22216965, 66650895]

約数ペア:

[(1, 66650895), (3, 22216965), (5, 13330179), (9, 7405655), (15, 4443393), (23, 2897865), (45, 1481131), (69, 965955), (71, 938745), (115, 579573), (207, 321985), (213, 312915), (345, 193191), (355, 187749), (639, 104305), (907, 73485), (1035, 64397), (1065, 62583), (1633, 40815), (2721, 24495), (3195, 20861), (4535, 14697), (4899, 13605), (8163, 8165)]