28158165

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 29902635

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 83, 105, 135, 189, 249, 315, 359, 415, 581, 747, 945, 1077, 1245, 1743, 1795, 2241, 2513, 2905, 3231, 3735, 5229, 5385, 7539, 8715, 9693, 11205, 12565, 15687, 16155, 22617, 26145, 29797, 37695, 48465, 67851, 78435, 89391, 113085, 148985, 208579, 268173, 339255, 446955, 625737, 804519, 1042895, 1340865, 1877211, 3128685, 4022595, 5631633, 9386055, 28158165]

約数ペア:

[(1, 28158165), (3, 9386055), (5, 5631633), (7, 4022595), (9, 3128685), (15, 1877211), (21, 1340865), (27, 1042895), (35, 804519), (45, 625737), (63, 446955), (83, 339255), (105, 268173), (135, 208579), (189, 148985), (249, 113085), (315, 89391), (359, 78435), (415, 67851), (581, 48465), (747, 37695), (945, 29797), (1077, 26145), (1245, 22617), (1743, 16155), (1795, 15687), (2241, 12565), (2513, 11205), (2905, 9693), (3231, 8715), (3735, 7539), (5229, 5385)]