1489355931

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^2$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 2447874576

約数和(自身を除く): 958518645

約数列:

[1, 3, 7, 21, 37, 49, 61, 67, 111, 147, 183, 201, 259, 427, 469, 777, 1281, 1407, 1813, 2257, 2479, 2989, 3283, 4087, 4489, 5439, 6771, 7437, 8967, 9849, 12261, 13467, 15799, 17353, 28609, 31423, 47397, 52059, 85827, 94269, 110593, 121471, 151219, 166093, 200263, 219961, 273829, 331779, 364413, 453657, 498279, 600789, 659883, 821487, 1058533, 1162651, 1916803, 3175599, 3487953, 5750409, 7409731, 8138557, 10131673, 13417621, 22229193, 24415671, 30395019, 40252863, 70921711, 212765133, 496451977, 1489355931]

約数ペア:

[(1, 1489355931), (3, 496451977), (7, 212765133), (21, 70921711), (37, 40252863), (49, 30395019), (61, 24415671), (67, 22229193), (111, 13417621), (147, 10131673), (183, 8138557), (201, 7409731), (259, 5750409), (427, 3487953), (469, 3175599), (777, 1916803), (1281, 1162651), (1407, 1058533), (1813, 821487), (2257, 659883), (2479, 600789), (2989, 498279), (3283, 453657), (4087, 364413), (4489, 331779), (5439, 273829), (6771, 219961), (7437, 200263), (8967, 166093), (9849, 151219), (12261, 121471), (13467, 110593), (15799, 94269), (17353, 85827), (28609, 52059), (31423, 47397)]