201230913

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 300867840

約数和(自身を除く): 99636927

約数列:

[1, 3, 13, 29, 39, 87, 181, 377, 543, 983, 1131, 2353, 2949, 5249, 7059, 12779, 15747, 28507, 38337, 68237, 85521, 177923, 204711, 370591, 533769, 1111773, 2312999, 5159767, 6938997, 15479301, 67076971, 201230913]

約数ペア:

[(1, 201230913), (3, 67076971), (13, 15479301), (29, 6938997), (39, 5159767), (87, 2312999), (181, 1111773), (377, 533769), (543, 370591), (983, 204711), (1131, 177923), (2353, 85521), (2949, 68237), (5249, 38337), (7059, 28507), (12779, 15747)]