12749427747

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1521593}}^1$

素因数の和:1521632

約数の個数: 36

約数和(自身を含む): 22550023080

約数和(自身を除く): 9800595333

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 1521593, 4564779, 10651151, 13694337, 28910267, 31953453, 74558057, 86730801, 95860359, 202371869, 223674171, 260192403, 607115607, 671022513, 1416603083, 1821346821, 4249809249, 12749427747]

約数ペア:

[(1, 12749427747), (3, 4249809249), (7, 1821346821), (9, 1416603083), (19, 671022513), (21, 607115607), (49, 260192403), (57, 223674171), (63, 202371869), (133, 95860359), (147, 86730801), (171, 74558057), (399, 31953453), (441, 28910267), (931, 13694337), (1197, 10651151), (2793, 4564779), (8379, 1521593)]