251012601

素因数分解:

$3^4\times 7^1\times {\mathrm{442703}}^1$

素因数の和:442722

約数の個数: 20

約数和(自身を含む): 428537472

約数和(自身を除く): 177524871

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 442703, 1328109, 3098921, 3984327, 9296763, 11952981, 27890289, 35858943, 83670867, 251012601]

約数ペア:

[(1, 251012601), (3, 83670867), (7, 35858943), (9, 27890289), (21, 11952981), (27, 9296763), (63, 3984327), (81, 3098921), (189, 1328109), (567, 442703)]