221805

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:98

約数の個数: 32

約数和(自身を含む): 414720

約数和(自身を除く): 192915

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 53, 93, 135, 155, 159, 265, 279, 465, 477, 795, 837, 1395, 1431, 1643, 2385, 4185, 4929, 7155, 8215, 14787, 24645, 44361, 73935, 221805]

約数ペア:

[(1, 221805), (3, 73935), (5, 44361), (9, 24645), (15, 14787), (27, 8215), (31, 7155), (45, 4929), (53, 4185), (93, 2385), (135, 1643), (155, 1431), (159, 1395), (265, 837), (279, 795), (465, 477)]