53330221

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 61931520

約数和(自身を除く): 8601299

約数列:

[1, 7, 127, 239, 251, 889, 1673, 1757, 30353, 31877, 59989, 212471, 223139, 419923, 7618603, 53330221]

約数ペア:

[(1, 53330221), (7, 7618603), (127, 419923), (239, 223139), (251, 212471), (889, 59989), (1673, 31877), (1757, 30353)]