2018307921

素因数分解:

$3^1\times 7^1\times {\mathrm{1399}}^1\times {\mathrm{68699}}^1$

素因数の和:70108

約数の個数: 16

約数和(自身を含む): 3077760000

約数和(自身を除く): 1059452079

約数列:

[1, 3, 7, 21, 1399, 4197, 9793, 29379, 68699, 206097, 480893, 1442679, 96109901, 288329703, 672769307, 2018307921]

約数ペア:

[(1, 2018307921), (3, 672769307), (7, 288329703), (21, 96109901), (1399, 1442679), (4197, 480893), (9793, 206097), (29379, 68699)]