128721567351

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{48647}}^1$

素因数の和:49000

約数の個数: 48

約数和(自身を含む): 197423702784

約数和(自身を除く): 68702135433

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 307, 507, 663, 921, 2873, 3991, 5219, 8619, 11973, 15657, 48647, 51883, 67847, 145941, 155649, 203541, 632411, 826999, 882011, 1897233, 2480997, 2646033, 8221343, 10750987, 14934629, 24664029, 32252961, 44803887, 139762831, 194150177, 253888693, 419288493, 582450531, 761666079, 2523952301, 3300553009, 7571856903, 9901659027, 42907189117, 128721567351]

約数ペア:

[(1, 128721567351), (3, 42907189117), (13, 9901659027), (17, 7571856903), (39, 3300553009), (51, 2523952301), (169, 761666079), (221, 582450531), (307, 419288493), (507, 253888693), (663, 194150177), (921, 139762831), (2873, 44803887), (3991, 32252961), (5219, 24664029), (8619, 14934629), (11973, 10750987), (15657, 8221343), (48647, 2646033), (51883, 2480997), (67847, 1897233), (145941, 882011), (155649, 826999), (203541, 632411)]