2174165721

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6217}}^1$

素因数の和:6311

約数の個数: 72

約数和(自身を含む): 3999342984

約数和(自身を除く): 1825177263

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 61, 63, 91, 117, 147, 183, 273, 427, 441, 549, 637, 793, 819, 1281, 1911, 2379, 2989, 3843, 5551, 5733, 6217, 7137, 8967, 16653, 18651, 26901, 38857, 43519, 49959, 55953, 80821, 116571, 130557, 242463, 304633, 349713, 379237, 391671, 565747, 727389, 913899, 1137711, 1697241, 2654659, 2741697, 3413133, 3960229, 4930081, 5091723, 7963977, 11880687, 14790243, 18582613, 23891931, 34510567, 35642061, 44370729, 55747839, 103531701, 167243517, 241573969, 310595103, 724721907, 2174165721]

約数ペア:

[(1, 2174165721), (3, 724721907), (7, 310595103), (9, 241573969), (13, 167243517), (21, 103531701), (39, 55747839), (49, 44370729), (61, 35642061), (63, 34510567), (91, 23891931), (117, 18582613), (147, 14790243), (183, 11880687), (273, 7963977), (427, 5091723), (441, 4930081), (549, 3960229), (637, 3413133), (793, 2741697), (819, 2654659), (1281, 1697241), (1911, 1137711), (2379, 913899), (2989, 727389), (3843, 565747), (5551, 391671), (5733, 379237), (6217, 349713), (7137, 304633), (8967, 242463), (16653, 130557), (18651, 116571), (26901, 80821), (38857, 55953), (43519, 49959)]