331357481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5107}}^1$

素因数の和:5181

約数の個数: 32

約数和(自身を含む): 439369728

約数和(自身を除く): 108012247

約数列:

[1, 7, 13, 23, 31, 91, 161, 217, 299, 403, 713, 2093, 2821, 4991, 5107, 9269, 35749, 64883, 66391, 117461, 158317, 464737, 822227, 1108219, 1526993, 2058121, 3641291, 10688951, 14406847, 25489037, 47336783, 331357481]

約数ペア:

[(1, 331357481), (7, 47336783), (13, 25489037), (23, 14406847), (31, 10688951), (91, 3641291), (161, 2058121), (217, 1526993), (299, 1108219), (403, 822227), (713, 464737), (2093, 158317), (2821, 117461), (4991, 66391), (5107, 64883), (9269, 35749)]