2021350515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{158351}}^1$

素因数の和:158419

約数の個数: 32

約数和(自身を含む): 3466008576

約数和(自身を除く): 1444658061

約数列:

[1, 3, 5, 15, 23, 37, 69, 111, 115, 185, 345, 555, 851, 2553, 4255, 12765, 158351, 475053, 791755, 2375265, 3642073, 5858987, 10926219, 17576961, 18210365, 29294935, 54631095, 87884805, 134756701, 404270103, 673783505, 2021350515]

約数ペア:

[(1, 2021350515), (3, 673783505), (5, 404270103), (15, 134756701), (23, 87884805), (37, 54631095), (69, 29294935), (111, 18210365), (115, 17576961), (185, 10926219), (345, 5858987), (555, 3642073), (851, 2375265), (2553, 791755), (4255, 475053), (12765, 158351)]