68337855

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 122181696

約数和(自身を除く): 53843841

約数列:

[1, 3, 5, 9, 15, 45, 71, 73, 213, 219, 293, 355, 365, 639, 657, 879, 1065, 1095, 1465, 2637, 3195, 3285, 4395, 5183, 13185, 15549, 20803, 21389, 25915, 46647, 62409, 64167, 77745, 104015, 106945, 187227, 192501, 233235, 312045, 320835, 936135, 962505, 1518619, 4555857, 7593095, 13667571, 22779285, 68337855]

約数ペア:

[(1, 68337855), (3, 22779285), (5, 13667571), (9, 7593095), (15, 4555857), (45, 1518619), (71, 962505), (73, 936135), (213, 320835), (219, 312045), (293, 233235), (355, 192501), (365, 187227), (639, 106945), (657, 104015), (879, 77745), (1065, 64167), (1095, 62409), (1465, 46647), (2637, 25915), (3195, 21389), (3285, 20803), (4395, 15549), (5183, 13185)]