2320857

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 4447872

約数和(自身を除く): 2127015

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 197, 231, 357, 561, 591, 693, 1071, 1309, 1379, 1683, 1773, 2167, 3349, 3927, 4137, 6501, 10047, 11781, 12411, 15169, 19503, 23443, 30141, 36839, 45507, 70329, 110517, 136521, 210987, 257873, 331551, 773619, 2320857]

約数ペア:

[(1, 2320857), (3, 773619), (7, 331551), (9, 257873), (11, 210987), (17, 136521), (21, 110517), (33, 70329), (51, 45507), (63, 36839), (77, 30141), (99, 23443), (119, 19503), (153, 15169), (187, 12411), (197, 11781), (231, 10047), (357, 6501), (561, 4137), (591, 3927), (693, 3349), (1071, 2167), (1309, 1773), (1379, 1683)]