3940923

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 6894720

約数和(自身を除く): 2953797

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 83, 119, 133, 147, 249, 323, 357, 399, 581, 833, 931, 969, 1411, 1577, 1743, 2261, 2499, 2793, 4067, 4233, 4731, 6783, 9877, 11039, 12201, 15827, 26809, 29631, 33117, 47481, 69139, 77273, 80427, 187663, 207417, 231819, 562989, 1313641, 3940923]

約数ペア:

[(1, 3940923), (3, 1313641), (7, 562989), (17, 231819), (19, 207417), (21, 187663), (49, 80427), (51, 77273), (57, 69139), (83, 47481), (119, 33117), (133, 29631), (147, 26809), (249, 15827), (323, 12201), (357, 11039), (399, 9877), (581, 6783), (833, 4731), (931, 4233), (969, 4067), (1411, 2793), (1577, 2499), (1743, 2261)]