3951927

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 6583200

約数和(自身を除く): 2631273

約数列:

[1, 3, 7, 9, 21, 63, 149, 421, 447, 1043, 1263, 1341, 2947, 3129, 3789, 8841, 9387, 26523, 62729, 188187, 439103, 564561, 1317309, 3951927]

約数ペア:

[(1, 3951927), (3, 1317309), (7, 564561), (9, 439103), (21, 188187), (63, 62729), (149, 26523), (421, 9387), (447, 8841), (1043, 3789), (1263, 3129), (1341, 2947)]