1690155

素因数分解:

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

素因数の和:128

約数の個数: 36

約数和(自身を含む): 3105648

約数和(自身を除く): 1415493

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 71, 115, 207, 213, 345, 355, 529, 639, 1035, 1065, 1587, 1633, 2645, 3195, 4761, 4899, 7935, 8165, 14697, 23805, 24495, 37559, 73485, 112677, 187795, 338031, 563385, 1690155]

約数ペア:

[(1, 1690155), (3, 563385), (5, 338031), (9, 187795), (15, 112677), (23, 73485), (45, 37559), (69, 24495), (71, 23805), (115, 14697), (207, 8165), (213, 7935), (345, 4899), (355, 4761), (529, 3195), (639, 2645), (1035, 1633), (1065, 1587)]