209219925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3581}}^1$

素因数の和:3654

約数の個数: 48

約数和(自身を含む): 373101120

約数和(自身を除く): 163881195

約数列:

[1, 3, 5, 15, 19, 25, 41, 57, 75, 95, 123, 205, 285, 475, 615, 779, 1025, 1425, 2337, 3075, 3581, 3895, 10743, 11685, 17905, 19475, 53715, 58425, 68039, 89525, 146821, 204117, 268575, 340195, 440463, 734105, 1020585, 1700975, 2202315, 2789599, 3670525, 5102925, 8368797, 11011575, 13947995, 41843985, 69739975, 209219925]

約数ペア:

[(1, 209219925), (3, 69739975), (5, 41843985), (15, 13947995), (19, 11011575), (25, 8368797), (41, 5102925), (57, 3670525), (75, 2789599), (95, 2202315), (123, 1700975), (205, 1020585), (285, 734105), (475, 440463), (615, 340195), (779, 268575), (1025, 204117), (1425, 146821), (2337, 89525), (3075, 68039), (3581, 58425), (3895, 53715), (10743, 19475), (11685, 17905)]