720984957

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{937}}^1\times {\mathrm{3331}}^1$

素因数の和:4289

約数の個数: 32

約数和(自身を含む): 1200159744

約数和(自身を除く): 479174787

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 937, 2811, 3331, 6559, 9993, 10307, 19677, 23317, 30921, 36641, 69951, 72149, 109923, 216447, 256487, 769461, 3121147, 9363441, 21848029, 34332617, 65544087, 102997851, 240328319, 720984957]

約数ペア:

[(1, 720984957), (3, 240328319), (7, 102997851), (11, 65544087), (21, 34332617), (33, 21848029), (77, 9363441), (231, 3121147), (937, 769461), (2811, 256487), (3331, 216447), (6559, 109923), (9993, 72149), (10307, 69951), (19677, 36641), (23317, 30921)]