427902993

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{16057}}^1$

素因数の和:16123

約数の個数: 40

約数和(自身を含む): 746118912

約数和(自身を除く): 318215919

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 8883, 16057, 26649, 48171, 112399, 144513, 337197, 433539, 754679, 1011591, 1300617, 2264037, 3034773, 5282753, 6792111, 9104319, 15848259, 20376333, 47544777, 61128999, 142634331, 427902993]

約数ペア:

[(1, 427902993), (3, 142634331), (7, 61128999), (9, 47544777), (21, 20376333), (27, 15848259), (47, 9104319), (63, 6792111), (81, 5282753), (141, 3034773), (189, 2264037), (329, 1300617), (423, 1011591), (567, 754679), (987, 433539), (1269, 337197), (2961, 144513), (3807, 112399), (8883, 48171), (16057, 26649)]