81365256

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{53813}}^1$

素因数の和:53835

約数の個数: 64

約数和(自身を含む): 258307200

約数和(自身を除く): 176941944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 53813, 107626, 161439, 215252, 322878, 376691, 430504, 484317, 645756, 753382, 968634, 1130073, 1291512, 1452951, 1506764, 1937268, 2260146, 2905902, 3013528, 3390219, 3874536, 4520292, 5811804, 6780438, 9040584, 10170657, 11623608, 13560876, 20341314, 27121752, 40682628, 81365256]

約数ペア:

[(1, 81365256), (2, 40682628), (3, 27121752), (4, 20341314), (6, 13560876), (7, 11623608), (8, 10170657), (9, 9040584), (12, 6780438), (14, 5811804), (18, 4520292), (21, 3874536), (24, 3390219), (27, 3013528), (28, 2905902), (36, 2260146), (42, 1937268), (54, 1506764), (56, 1452951), (63, 1291512), (72, 1130073), (84, 968634), (108, 753382), (126, 645756), (168, 484317), (189, 430504), (216, 376691), (252, 322878), (378, 215252), (504, 161439), (756, 107626), (1512, 53813)]