81870045

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{11071}}^1$

素因数の和:11125

約数の個数: 32

約数和(自身を含む): 143493120

約数和(自身を除く): 61623075

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 11071, 33213, 55355, 166065, 188207, 321059, 564621, 941035, 963177, 1605295, 2823105, 4815885, 5458003, 16374009, 27290015, 81870045]

約数ペア:

[(1, 81870045), (3, 27290015), (5, 16374009), (15, 5458003), (17, 4815885), (29, 2823105), (51, 1605295), (85, 963177), (87, 941035), (145, 564621), (255, 321059), (435, 188207), (493, 166065), (1479, 55355), (2465, 33213), (7395, 11071)]