220143651

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7829}}^1$

素因数の和:7955

約数の個数: 32

約数和(自身を含む): 364815360

約数和(自身を除く): 144671709

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 2163, 4017, 7829, 9373, 23487, 28119, 54803, 101777, 164409, 305331, 712439, 806387, 2137317, 2419161, 5644709, 10483031, 16934127, 31449093, 73381217, 220143651]

約数ペア:

[(1, 220143651), (3, 73381217), (7, 31449093), (13, 16934127), (21, 10483031), (39, 5644709), (91, 2419161), (103, 2137317), (273, 806387), (309, 712439), (721, 305331), (1339, 164409), (2163, 101777), (4017, 54803), (7829, 28119), (9373, 23487)]