40198473

素因数分解:

$3^2\times 7^2\times {\mathrm{91153}}^1$

素因数の和:91173

約数の個数: 18

約数和(自身を含む): 67545114

約数和(自身を除く): 27346641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 91153, 273459, 638071, 820377, 1914213, 4466497, 5742639, 13399491, 40198473]

約数ペア:

[(1, 40198473), (3, 13399491), (7, 5742639), (9, 4466497), (21, 1914213), (49, 820377), (63, 638071), (147, 273459), (441, 91153)]