72690045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1447}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 123856128

約数和(自身を除く): 51166083

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 591, 985, 1447, 2955, 3349, 4341, 7235, 10047, 16745, 21705, 24599, 50235, 73797, 122995, 285059, 368985, 855177, 1425295, 4275885, 4846003, 14538009, 24230015, 72690045]

約数ペア:

[(1, 72690045), (3, 24230015), (5, 14538009), (15, 4846003), (17, 4275885), (51, 1425295), (85, 855177), (197, 368985), (255, 285059), (591, 122995), (985, 73797), (1447, 50235), (2955, 24599), (3349, 21705), (4341, 16745), (7235, 10047)]