1980161589

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{7309}}^1$

素因数の和:7442

約数の個数: 48

約数和(自身を含む): 3266692800

約数和(自身を除く): 1286531211

約数列:

[1, 3, 7, 19, 21, 49, 57, 97, 133, 147, 291, 399, 679, 931, 1843, 2037, 2793, 4753, 5529, 7309, 12901, 14259, 21927, 38703, 51163, 90307, 138871, 153489, 270921, 358141, 416613, 708973, 972097, 1074423, 2126919, 2916291, 4962811, 6804679, 13470487, 14888433, 20414037, 34739677, 40411461, 94293409, 104219031, 282880227, 660053863, 1980161589]

約数ペア:

[(1, 1980161589), (3, 660053863), (7, 282880227), (19, 104219031), (21, 94293409), (49, 40411461), (57, 34739677), (97, 20414037), (133, 14888433), (147, 13470487), (291, 6804679), (399, 4962811), (679, 2916291), (931, 2126919), (1843, 1074423), (2037, 972097), (2793, 708973), (4753, 416613), (5529, 358141), (7309, 270921), (12901, 153489), (14259, 138871), (21927, 90307), (38703, 51163)]