11971845

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 22239360

約数和(自身を除く): 10267515

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 207, 215, 269, 345, 387, 645, 807, 989, 1035, 1345, 1935, 2421, 2967, 4035, 4945, 6187, 8901, 11567, 12105, 14835, 18561, 30935, 34701, 44505, 55683, 57835, 92805, 104103, 173505, 266041, 278415, 520515, 798123, 1330205, 2394369, 3990615, 11971845]

約数ペア:

[(1, 11971845), (3, 3990615), (5, 2394369), (9, 1330205), (15, 798123), (23, 520515), (43, 278415), (45, 266041), (69, 173505), (115, 104103), (129, 92805), (207, 57835), (215, 55683), (269, 44505), (345, 34701), (387, 30935), (645, 18561), (807, 14835), (989, 12105), (1035, 11567), (1345, 8901), (1935, 6187), (2421, 4945), (2967, 4035)]