4181925

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 7803072

約数和(自身を除く): 3621147

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 55, 75, 111, 137, 165, 185, 275, 407, 411, 555, 685, 825, 925, 1221, 1507, 2035, 2055, 2775, 3425, 4521, 5069, 6105, 7535, 10175, 10275, 15207, 22605, 25345, 30525, 37675, 55759, 76035, 113025, 126725, 167277, 278795, 380175, 836385, 1393975, 4181925]

約数ペア:

[(1, 4181925), (3, 1393975), (5, 836385), (11, 380175), (15, 278795), (25, 167277), (33, 126725), (37, 113025), (55, 76035), (75, 55759), (111, 37675), (137, 30525), (165, 25345), (185, 22605), (275, 15207), (407, 10275), (411, 10175), (555, 7535), (685, 6105), (825, 5069), (925, 4521), (1221, 3425), (1507, 2775), (2035, 2055)]