189941805

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2897}}^1$

素因数の和:2986

約数の個数: 48

約数和(自身を含む): 347203584

約数和(自身を除く): 157261779

約数列:

[1, 3, 5, 9, 15, 31, 45, 47, 93, 141, 155, 235, 279, 423, 465, 705, 1395, 1457, 2115, 2897, 4371, 7285, 8691, 13113, 14485, 21855, 26073, 43455, 65565, 89807, 130365, 136159, 269421, 408477, 449035, 680795, 808263, 1225431, 1347105, 2042385, 4041315, 4220929, 6127155, 12662787, 21104645, 37988361, 63313935, 189941805]

約数ペア:

[(1, 189941805), (3, 63313935), (5, 37988361), (9, 21104645), (15, 12662787), (31, 6127155), (45, 4220929), (47, 4041315), (93, 2042385), (141, 1347105), (155, 1225431), (235, 808263), (279, 680795), (423, 449035), (465, 408477), (705, 269421), (1395, 136159), (1457, 130365), (2115, 89807), (2897, 65565), (4371, 43455), (7285, 26073), (8691, 21855), (13113, 14485)]