1881855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 3594240

約数和(自身を除く): 1712385

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 71, 93, 95, 155, 171, 213, 279, 285, 355, 465, 589, 639, 855, 1065, 1349, 1395, 1767, 2201, 2945, 3195, 4047, 5301, 6603, 6745, 8835, 11005, 12141, 19809, 20235, 26505, 33015, 41819, 60705, 99045, 125457, 209095, 376371, 627285, 1881855]

約数ペア:

[(1, 1881855), (3, 627285), (5, 376371), (9, 209095), (15, 125457), (19, 99045), (31, 60705), (45, 41819), (57, 33015), (71, 26505), (93, 20235), (95, 19809), (155, 12141), (171, 11005), (213, 8835), (279, 6745), (285, 6603), (355, 5301), (465, 4047), (589, 3195), (639, 2945), (855, 2201), (1065, 1767), (1349, 1395)]