81353916

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{15373}}^1$

素因数の和:15400

約数の個数: 72

約数和(自身を含む): 245369040

約数和(自身を除く): 164015124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 15373, 30746, 46119, 61492, 92238, 107611, 138357, 184476, 215222, 276714, 322833, 415071, 430444, 553428, 645666, 753277, 830142, 968499, 1291332, 1506554, 1660284, 1936998, 2259831, 2905497, 3013108, 3873996, 4519662, 5810994, 6779493, 9039324, 11621988, 13558986, 20338479, 27117972, 40676958, 81353916]

約数ペア:

[(1, 81353916), (2, 40676958), (3, 27117972), (4, 20338479), (6, 13558986), (7, 11621988), (9, 9039324), (12, 6779493), (14, 5810994), (18, 4519662), (21, 3873996), (27, 3013108), (28, 2905497), (36, 2259831), (42, 1936998), (49, 1660284), (54, 1506554), (63, 1291332), (84, 968499), (98, 830142), (108, 753277), (126, 645666), (147, 553428), (189, 430444), (196, 415071), (252, 322833), (294, 276714), (378, 215222), (441, 184476), (588, 138357), (756, 107611), (882, 92238), (1323, 61492), (1764, 46119), (2646, 30746), (5292, 15373)]