281427601

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 367539200

約数和(自身を除く): 86111599

約数列:

[1, 7, 13, 19, 91, 133, 139, 247, 973, 1171, 1729, 1807, 2641, 8197, 12649, 15223, 18487, 22249, 34333, 106561, 155743, 162769, 240331, 289237, 1139383, 2024659, 2115997, 3092611, 14811979, 21648277, 40203943, 281427601]

約数ペア:

[(1, 281427601), (7, 40203943), (13, 21648277), (19, 14811979), (91, 3092611), (133, 2115997), (139, 2024659), (247, 1139383), (973, 289237), (1171, 240331), (1729, 162769), (1807, 155743), (2641, 106561), (8197, 34333), (12649, 22249), (15223, 18487)]