1811175

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 3333120

約数和(自身を除く): 1521945

約数列:

[1, 3, 5, 15, 19, 25, 31, 41, 57, 75, 93, 95, 123, 155, 205, 285, 465, 475, 589, 615, 775, 779, 1025, 1271, 1425, 1767, 2325, 2337, 2945, 3075, 3813, 3895, 6355, 8835, 11685, 14725, 19065, 19475, 24149, 31775, 44175, 58425, 72447, 95325, 120745, 362235, 603725, 1811175]

約数ペア:

[(1, 1811175), (3, 603725), (5, 362235), (15, 120745), (19, 95325), (25, 72447), (31, 58425), (41, 44175), (57, 31775), (75, 24149), (93, 19475), (95, 19065), (123, 14725), (155, 11685), (205, 8835), (285, 6355), (465, 3895), (475, 3813), (589, 3075), (615, 2945), (775, 2337), (779, 2325), (1025, 1767), (1271, 1425)]