3880947

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1553}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 6377616

約数和(自身を除く): 2496669

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 1553, 2499, 4659, 10871, 26401, 32613, 76097, 79203, 184807, 228291, 554421, 1293649, 3880947]

約数ペア:

[(1, 3880947), (3, 1293649), (7, 554421), (17, 228291), (21, 184807), (49, 79203), (51, 76097), (119, 32613), (147, 26401), (357, 10871), (833, 4659), (1553, 2499)]