28210455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 60916128

約数和(自身を除く): 32705673

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 83, 91, 105, 117, 195, 249, 273, 315, 415, 455, 581, 585, 747, 819, 1079, 1245, 1365, 1743, 2905, 3237, 3735, 4095, 5229, 5395, 6889, 7553, 8715, 9711, 16185, 20667, 22659, 26145, 34445, 37765, 48223, 48555, 62001, 67977, 89557, 103335, 113295, 144669, 241115, 268671, 310005, 339885, 434007, 447785, 626899, 723345, 806013, 1343355, 1880697, 2170035, 3134495, 4030065, 5642091, 9403485, 28210455]

約数ペア:

[(1, 28210455), (3, 9403485), (5, 5642091), (7, 4030065), (9, 3134495), (13, 2170035), (15, 1880697), (21, 1343355), (35, 806013), (39, 723345), (45, 626899), (63, 447785), (65, 434007), (83, 339885), (91, 310005), (105, 268671), (117, 241115), (195, 144669), (249, 113295), (273, 103335), (315, 89557), (415, 67977), (455, 62001), (581, 48555), (585, 48223), (747, 37765), (819, 34445), (1079, 26145), (1245, 22659), (1365, 20667), (1743, 16185), (2905, 9711), (3237, 8715), (3735, 7553), (4095, 6889), (5229, 5395)]