331566291

素因数分解:

$3^4\times 7^2\times {\mathrm{139}}^1\times {\mathrm{601}}^1$

素因数の和:766

約数の個数: 60

約数和(自身を含む): 581279160

約数和(自身を除く): 249712869

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 139, 147, 189, 417, 441, 567, 601, 973, 1251, 1323, 1803, 2919, 3753, 3969, 4207, 5409, 6811, 8757, 11259, 12621, 16227, 20433, 26271, 29449, 37863, 48681, 61299, 78813, 83539, 88347, 113589, 183897, 250617, 265041, 340767, 551691, 584773, 751851, 795123, 1754319, 2255553, 2385369, 4093411, 5262957, 6766659, 12280233, 15788871, 36840699, 47366613, 110522097, 331566291]

約数ペア:

[(1, 331566291), (3, 110522097), (7, 47366613), (9, 36840699), (21, 15788871), (27, 12280233), (49, 6766659), (63, 5262957), (81, 4093411), (139, 2385369), (147, 2255553), (189, 1754319), (417, 795123), (441, 751851), (567, 584773), (601, 551691), (973, 340767), (1251, 265041), (1323, 250617), (1803, 183897), (2919, 113589), (3753, 88347), (3969, 83539), (4207, 78813), (5409, 61299), (6811, 48681), (8757, 37863), (11259, 29449), (12621, 26271), (16227, 20433)]