2099115

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 3868128

約数和(自身を除く): 1769013

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 73, 81, 135, 213, 219, 355, 365, 405, 639, 657, 1065, 1095, 1917, 1971, 3195, 3285, 5183, 5751, 5913, 9585, 9855, 15549, 25915, 28755, 29565, 46647, 77745, 139941, 233235, 419823, 699705, 2099115]

約数ペア:

[(1, 2099115), (3, 699705), (5, 419823), (9, 233235), (15, 139941), (27, 77745), (45, 46647), (71, 29565), (73, 28755), (81, 25915), (135, 15549), (213, 9855), (219, 9585), (355, 5913), (365, 5751), (405, 5183), (639, 3285), (657, 3195), (1065, 1971), (1095, 1917)]