7139545

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 10483200

約数和(自身を除く): 3343655

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 181, 245, 343, 805, 905, 1127, 1267, 1715, 4163, 5635, 6335, 7889, 8869, 20815, 29141, 39445, 44345, 62083, 145705, 203987, 310415, 1019935, 1427909, 7139545]

約数ペア:

[(1, 7139545), (5, 1427909), (7, 1019935), (23, 310415), (35, 203987), (49, 145705), (115, 62083), (161, 44345), (181, 39445), (245, 29141), (343, 20815), (805, 8869), (905, 7889), (1127, 6335), (1267, 5635), (1715, 4163)]