205013565

素因数分解:

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

素因数の和:451

約数の個数: 64

約数和(自身を含む): 375943680

約数和(自身を除く): 170930115

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 73, 135, 213, 219, 293, 355, 365, 639, 657, 879, 1065, 1095, 1465, 1917, 1971, 2637, 3195, 3285, 4395, 5183, 7911, 9585, 9855, 13185, 15549, 20803, 21389, 25915, 39555, 46647, 62409, 64167, 77745, 104015, 106945, 139941, 187227, 192501, 233235, 312045, 320835, 561681, 577503, 699705, 936135, 962505, 1518619, 2808405, 2887515, 4555857, 7593095, 13667571, 22779285, 41002713, 68337855, 205013565]

約数ペア:

[(1, 205013565), (3, 68337855), (5, 41002713), (9, 22779285), (15, 13667571), (27, 7593095), (45, 4555857), (71, 2887515), (73, 2808405), (135, 1518619), (213, 962505), (219, 936135), (293, 699705), (355, 577503), (365, 561681), (639, 320835), (657, 312045), (879, 233235), (1065, 192501), (1095, 187227), (1465, 139941), (1917, 106945), (1971, 104015), (2637, 77745), (3195, 64167), (3285, 62409), (4395, 46647), (5183, 39555), (7911, 25915), (9585, 21389), (9855, 20803), (13185, 15549)]