4240389993

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{315013}}^1$

素因数の和:315664

約数の個数: 16

約数和(自身を含む): 6471647616

約数和(自身を除く): 2231257623

約数列:

[1, 3, 7, 21, 641, 1923, 4487, 13461, 315013, 945039, 2205091, 6615273, 201923333, 605769999, 1413463331, 4240389993]

約数ペア:

[(1, 4240389993), (3, 1413463331), (7, 605769999), (21, 201923333), (641, 6615273), (1923, 2205091), (4487, 945039), (13461, 315013)]