61438041

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^2$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 107195520

約数和(自身を除く): 45757479

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 73, 183, 189, 219, 427, 511, 549, 657, 1281, 1533, 1647, 1971, 3843, 4453, 4599, 5329, 11529, 13359, 13797, 15987, 31171, 37303, 40077, 47961, 93513, 111909, 120231, 143883, 280539, 325069, 335727, 841617, 975207, 1007181, 2275483, 2925621, 6826449, 8776863, 20479347, 61438041]

約数ペア:

[(1, 61438041), (3, 20479347), (7, 8776863), (9, 6826449), (21, 2925621), (27, 2275483), (61, 1007181), (63, 975207), (73, 841617), (183, 335727), (189, 325069), (219, 280539), (427, 143883), (511, 120231), (549, 111909), (657, 93513), (1281, 47961), (1533, 40077), (1647, 37303), (1971, 31171), (3843, 15987), (4453, 13797), (4599, 13359), (5329, 11529)]