717149727

素因数分解:

$3^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{7283}}^1$

素因数の和:7820

約数の個数: 32

約数和(自身を含む): 1216719360

約数和(自身を除く): 499569633

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 521, 1563, 3647, 4689, 7283, 10941, 14067, 21849, 32823, 50981, 65547, 98469, 152943, 196641, 458829, 1376487, 3794443, 11383329, 26561101, 34149987, 79683303, 102449961, 239049909, 717149727]

約数ペア:

[(1, 717149727), (3, 239049909), (7, 102449961), (9, 79683303), (21, 34149987), (27, 26561101), (63, 11383329), (189, 3794443), (521, 1376487), (1563, 458829), (3647, 196641), (4689, 152943), (7283, 98469), (10941, 65547), (14067, 50981), (21849, 32823)]