40981689

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 74574240

約数和(自身を除く): 33592551

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 67, 73, 133, 147, 171, 201, 219, 399, 441, 469, 511, 603, 657, 931, 1197, 1273, 1387, 1407, 1533, 2793, 3283, 3577, 3819, 4161, 4221, 4599, 4891, 8379, 8911, 9709, 9849, 10731, 11457, 12483, 14673, 26733, 29127, 29547, 32193, 34237, 44019, 62377, 67963, 80199, 87381, 92929, 102711, 187131, 203889, 239659, 278787, 308133, 561393, 611667, 650503, 718977, 836361, 1951509, 2156931, 4553521, 5854527, 13660563, 40981689]

約数ペア:

[(1, 40981689), (3, 13660563), (7, 5854527), (9, 4553521), (19, 2156931), (21, 1951509), (49, 836361), (57, 718977), (63, 650503), (67, 611667), (73, 561393), (133, 308133), (147, 278787), (171, 239659), (201, 203889), (219, 187131), (399, 102711), (441, 92929), (469, 87381), (511, 80199), (603, 67963), (657, 62377), (931, 44019), (1197, 34237), (1273, 32193), (1387, 29547), (1407, 29127), (1533, 26733), (2793, 14673), (3283, 12483), (3577, 11457), (3819, 10731), (4161, 9849), (4221, 9709), (4599, 8911), (4891, 8379)]