68620293

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 124225920

約数和(自身を除く): 55605627

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 71, 87, 161, 203, 207, 213, 261, 483, 497, 529, 609, 639, 667, 1449, 1491, 1587, 1633, 1827, 2001, 2059, 3703, 4473, 4669, 4761, 4899, 6003, 6177, 11109, 11431, 14007, 14413, 14697, 15341, 18531, 33327, 34293, 37559, 42021, 43239, 46023, 47357, 102879, 107387, 112677, 129717, 138069, 142071, 262913, 322161, 331499, 338031, 426213, 788739, 966483, 994497, 1089211, 2366217, 2983491, 3267633, 7624477, 9802899, 22873431, 68620293]

約数ペア:

[(1, 68620293), (3, 22873431), (7, 9802899), (9, 7624477), (21, 3267633), (23, 2983491), (29, 2366217), (63, 1089211), (69, 994497), (71, 966483), (87, 788739), (161, 426213), (203, 338031), (207, 331499), (213, 322161), (261, 262913), (483, 142071), (497, 138069), (529, 129717), (609, 112677), (639, 107387), (667, 102879), (1449, 47357), (1491, 46023), (1587, 43239), (1633, 42021), (1827, 37559), (2001, 34293), (2059, 33327), (3703, 18531), (4473, 15341), (4669, 14697), (4761, 14413), (4899, 14007), (6003, 11431), (6177, 11109)]