247073421

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{4283}}^1$

素因数の和:4401

約数の個数: 32

約数和(自身を含む): 391523328

約数和(自身を除く): 144449907

約数列:

[1, 3, 7, 21, 41, 67, 123, 201, 287, 469, 861, 1407, 2747, 4283, 8241, 12849, 19229, 29981, 57687, 89943, 175603, 286961, 526809, 860883, 1229221, 2008727, 3687663, 6026181, 11765401, 35296203, 82357807, 247073421]

約数ペア:

[(1, 247073421), (3, 82357807), (7, 35296203), (21, 11765401), (41, 6026181), (67, 3687663), (123, 2008727), (201, 1229221), (287, 860883), (469, 526809), (861, 286961), (1407, 175603), (2747, 89943), (4283, 57687), (8241, 29981), (12849, 19229)]