217419189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 322896000

約数和(自身を除く): 105476811

約数列:

[1, 3, 13, 39, 59, 61, 177, 183, 767, 793, 1549, 2301, 2379, 3599, 4647, 10797, 20137, 46787, 60411, 91391, 94489, 140361, 274173, 283467, 1188083, 1228357, 3564249, 3685071, 5574851, 16724553, 72473063, 217419189]

約数ペア:

[(1, 217419189), (3, 72473063), (13, 16724553), (39, 5574851), (59, 3685071), (61, 3564249), (177, 1228357), (183, 1188083), (767, 283467), (793, 274173), (1549, 140361), (2301, 94489), (2379, 91391), (3599, 60411), (4647, 46787), (10797, 20137)]