1616805

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 3095040

約数和(自身を除く): 1478235

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 61, 93, 95, 155, 171, 183, 279, 285, 305, 465, 549, 589, 855, 915, 1159, 1395, 1767, 1891, 2745, 2945, 3477, 5301, 5673, 5795, 8835, 9455, 10431, 17019, 17385, 26505, 28365, 35929, 52155, 85095, 107787, 179645, 323361, 538935, 1616805]

約数ペア:

[(1, 1616805), (3, 538935), (5, 323361), (9, 179645), (15, 107787), (19, 85095), (31, 52155), (45, 35929), (57, 28365), (61, 26505), (93, 17385), (95, 17019), (155, 10431), (171, 9455), (183, 8835), (279, 5795), (285, 5673), (305, 5301), (465, 3477), (549, 2945), (589, 2745), (855, 1891), (915, 1767), (1159, 1395)]