78816321

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 123561984

約数和(自身を除く): 44745663

約数列:

[1, 3, 9, 27, 47, 67, 81, 103, 141, 201, 243, 309, 423, 603, 927, 1269, 1809, 2781, 3149, 3807, 4841, 5427, 6901, 8343, 9447, 11421, 14523, 16281, 20703, 25029, 28341, 43569, 62109, 85023, 130707, 186327, 255069, 324347, 392121, 558981, 765207, 973041, 1176363, 1676943, 2919123, 8757369, 26272107, 78816321]

約数ペア:

[(1, 78816321), (3, 26272107), (9, 8757369), (27, 2919123), (47, 1676943), (67, 1176363), (81, 973041), (103, 765207), (141, 558981), (201, 392121), (243, 324347), (309, 255069), (423, 186327), (603, 130707), (927, 85023), (1269, 62109), (1809, 43569), (2781, 28341), (3149, 25029), (3807, 20703), (4841, 16281), (5427, 14523), (6901, 11421), (8343, 9447)]