25445637

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 45957120

約数和(自身を除く): 20511483

約数列:

[1, 3, 7, 9, 21, 27, 31, 43, 63, 93, 101, 129, 189, 217, 279, 301, 303, 387, 651, 707, 837, 903, 909, 1161, 1333, 1953, 2121, 2709, 2727, 3131, 3999, 4343, 5859, 6363, 8127, 9331, 9393, 11997, 13029, 19089, 21917, 27993, 28179, 30401, 35991, 39087, 65751, 83979, 84537, 91203, 117261, 134633, 197253, 251937, 273609, 403899, 591759, 820827, 942431, 1211697, 2827293, 3635091, 8481879, 25445637]

約数ペア:

[(1, 25445637), (3, 8481879), (7, 3635091), (9, 2827293), (21, 1211697), (27, 942431), (31, 820827), (43, 591759), (63, 403899), (93, 273609), (101, 251937), (129, 197253), (189, 134633), (217, 117261), (279, 91203), (301, 84537), (303, 83979), (387, 65751), (651, 39087), (707, 35991), (837, 30401), (903, 28179), (909, 27993), (1161, 21917), (1333, 19089), (1953, 13029), (2121, 11997), (2709, 9393), (2727, 9331), (3131, 8127), (3999, 6363), (4343, 5859)]