40457781

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7057}}^1$

素因数の和:7090

約数の個数: 36

約数和(自身を含む): 73219692

約数和(自身を除く): 32761911

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 7057, 21171, 49399, 63513, 91741, 148197, 275223, 345793, 444591, 642187, 825669, 1037379, 1926561, 3112137, 4495309, 5779683, 13485927, 40457781]

約数ペア:

[(1, 40457781), (3, 13485927), (7, 5779683), (9, 4495309), (13, 3112137), (21, 1926561), (39, 1037379), (49, 825669), (63, 642187), (91, 444591), (117, 345793), (147, 275223), (273, 148197), (441, 91741), (637, 63513), (819, 49399), (1911, 21171), (5733, 7057)]