20131620621

素因数分解:

$3^1\times 7^1\times {\mathrm{7477}}^1\times {\mathrm{128213}}^1$

素因数の和:135700

約数の個数: 16

約数和(自身を含む): 30681097344

約数和(自身を除く): 10549476723

約数列:

[1, 3, 7, 21, 7477, 22431, 52339, 128213, 157017, 384639, 897491, 2692473, 958648601, 2875945803, 6710540207, 20131620621]

約数ペア:

[(1, 20131620621), (3, 6710540207), (7, 2875945803), (21, 958648601), (7477, 2692473), (22431, 897491), (52339, 384639), (128213, 157017)]