2018557557

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 3193344000

約数和(自身を除く): 1174786443

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 167, 261, 359, 387, 501, 783, 1077, 1161, 1247, 1503, 3231, 3741, 4509, 4843, 7181, 9693, 10411, 11223, 14529, 15437, 21543, 31233, 33669, 43587, 46311, 59953, 64629, 93699, 130761, 138933, 179859, 193887, 208249, 281097, 416799, 447673, 539577, 624747, 1343019, 1618731, 1738637, 1874241, 2577979, 4029057, 5215911, 5622723, 7733937, 12087171, 15647733, 23201811, 46943199, 69605433, 74761391, 224284173, 672852519, 2018557557]

約数ペア:

[(1, 2018557557), (3, 672852519), (9, 224284173), (27, 74761391), (29, 69605433), (43, 46943199), (87, 23201811), (129, 15647733), (167, 12087171), (261, 7733937), (359, 5622723), (387, 5215911), (501, 4029057), (783, 2577979), (1077, 1874241), (1161, 1738637), (1247, 1618731), (1503, 1343019), (3231, 624747), (3741, 539577), (4509, 447673), (4843, 416799), (7181, 281097), (9693, 208249), (10411, 193887), (11223, 179859), (14529, 138933), (15437, 130761), (21543, 93699), (31233, 64629), (33669, 59953), (43587, 46311)]