40990131

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 80

約数和(自身を含む): 77409024

約数和(自身を除く): 36418893

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 67, 81, 83, 91, 117, 189, 201, 249, 273, 351, 469, 567, 581, 603, 747, 819, 871, 1053, 1079, 1407, 1743, 1809, 2241, 2457, 2613, 3237, 4221, 5229, 5427, 5561, 6097, 6723, 7371, 7553, 7839, 9711, 12663, 15687, 16683, 18291, 22659, 23517, 29133, 37989, 38927, 47061, 50049, 54873, 67977, 70551, 72293, 87399, 116781, 150147, 164619, 203931, 216879, 350343, 450441, 493857, 506051, 611793, 650637, 1051029, 1518153, 1951911, 3153087, 4554459, 5855733, 13663377, 40990131]

約数ペア:

[(1, 40990131), (3, 13663377), (7, 5855733), (9, 4554459), (13, 3153087), (21, 1951911), (27, 1518153), (39, 1051029), (63, 650637), (67, 611793), (81, 506051), (83, 493857), (91, 450441), (117, 350343), (189, 216879), (201, 203931), (249, 164619), (273, 150147), (351, 116781), (469, 87399), (567, 72293), (581, 70551), (603, 67977), (747, 54873), (819, 50049), (871, 47061), (1053, 38927), (1079, 37989), (1407, 29133), (1743, 23517), (1809, 22659), (2241, 18291), (2457, 16683), (2613, 15687), (3237, 12663), (4221, 9711), (5229, 7839), (5427, 7553), (5561, 7371), (6097, 6723)]