71640465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21611}}^1$

素因数の和:21649

約数の個数: 32

約数和(自身を含む): 130709376

約数和(自身を除く): 59068911

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 21611, 64833, 108055, 280943, 324165, 367387, 842829, 1102161, 1404715, 1836935, 4214145, 4776031, 5510805, 14328093, 23880155, 71640465]

約数ペア:

[(1, 71640465), (3, 23880155), (5, 14328093), (13, 5510805), (15, 4776031), (17, 4214145), (39, 1836935), (51, 1404715), (65, 1102161), (85, 842829), (195, 367387), (221, 324165), (255, 280943), (663, 108055), (1105, 64833), (3315, 21611)]