71787513

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{5333}}^1$

素因数の和:5984

約数の個数: 16

約数和(自身を含む): 109581696

約数和(自身を除く): 37794183

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 5333, 13461, 15999, 37331, 111993, 3418453, 10255359, 23929171, 71787513]

約数ペア:

[(1, 71787513), (3, 23929171), (7, 10255359), (21, 3418453), (641, 111993), (1923, 37331), (4487, 15999), (5333, 13461)]