31330271

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 36664320

約数和(自身を除く): 5334049

約数列:

[1, 7, 61, 239, 307, 427, 1673, 2149, 14579, 18727, 73373, 102053, 131089, 513611, 4475753, 31330271]

約数ペア:

[(1, 31330271), (7, 4475753), (61, 513611), (239, 131089), (307, 102053), (427, 73373), (1673, 18727), (2149, 14579)]