66640245

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 125877888

約数和(自身を除く): 59237643

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 355, 497, 735, 1065, 1277, 1491, 2485, 3479, 3831, 6385, 7455, 8939, 10437, 17395, 19155, 26817, 44695, 52185, 62573, 90667, 134085, 187719, 272001, 312865, 453335, 634669, 938595, 1360005, 1904007, 3173345, 4442683, 9520035, 13328049, 22213415, 66640245]

約数ペア:

[(1, 66640245), (3, 22213415), (5, 13328049), (7, 9520035), (15, 4442683), (21, 3173345), (35, 1904007), (49, 1360005), (71, 938595), (105, 634669), (147, 453335), (213, 312865), (245, 272001), (355, 187719), (497, 134085), (735, 90667), (1065, 62573), (1277, 52185), (1491, 44695), (2485, 26817), (3479, 19155), (3831, 17395), (6385, 10437), (7455, 8939)]