71039997

素因数分解:

$3^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{359}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 121968000

約数和(自身を除く): 50928003

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 349, 359, 567, 1047, 1077, 2443, 2513, 3141, 3231, 7329, 7539, 9423, 9693, 21987, 22617, 28269, 29079, 65961, 67851, 125291, 197883, 203553, 375873, 877037, 1127619, 2631111, 3382857, 7893333, 10148571, 23679999, 71039997]

約数ペア:

[(1, 71039997), (3, 23679999), (7, 10148571), (9, 7893333), (21, 3382857), (27, 2631111), (63, 1127619), (81, 877037), (189, 375873), (349, 203553), (359, 197883), (567, 125291), (1047, 67851), (1077, 65961), (2443, 29079), (2513, 28269), (3141, 22617), (3231, 21987), (7329, 9693), (7539, 9423)]