7217331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 11294208

約数和(自身を除く): 4076877

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 253, 257, 407, 759, 771, 851, 1221, 2553, 2827, 5911, 8481, 9361, 9509, 17733, 28083, 28527, 65021, 104599, 195063, 218707, 313797, 656121, 2405777, 7217331]

約数ペア:

[(1, 7217331), (3, 2405777), (11, 656121), (23, 313797), (33, 218707), (37, 195063), (69, 104599), (111, 65021), (253, 28527), (257, 28083), (407, 17733), (759, 9509), (771, 9361), (851, 8481), (1221, 5911), (2553, 2827)]