2007320721

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1363

約数の個数: 64

約数和(自身を含む): 3327744000

約数和(自身を除く): 1320423279

約数列:

[1, 3, 7, 19, 21, 49, 57, 83, 133, 147, 249, 343, 399, 581, 931, 1029, 1237, 1577, 1743, 2793, 3711, 4067, 4731, 6517, 8659, 11039, 12201, 19551, 23503, 25977, 28469, 33117, 60613, 70509, 77273, 85407, 102671, 164521, 181839, 231819, 308013, 424291, 493563, 540911, 718697, 1151647, 1272873, 1622733, 1950749, 2156091, 3454941, 5030879, 5852247, 8061529, 13655243, 15092637, 24184587, 35216153, 40965729, 95586701, 105648459, 286760103, 669106907, 2007320721]

約数ペア:

[(1, 2007320721), (3, 669106907), (7, 286760103), (19, 105648459), (21, 95586701), (49, 40965729), (57, 35216153), (83, 24184587), (133, 15092637), (147, 13655243), (249, 8061529), (343, 5852247), (399, 5030879), (581, 3454941), (931, 2156091), (1029, 1950749), (1237, 1622733), (1577, 1272873), (1743, 1151647), (2793, 718697), (3711, 540911), (4067, 493563), (4731, 424291), (6517, 308013), (8659, 231819), (11039, 181839), (12201, 164521), (19551, 102671), (23503, 85407), (25977, 77273), (28469, 70509), (33117, 60613)]