1640348031

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1\times {\mathrm{2897}}^1$

素因数の和:3423

約数の個数: 32

約数和(自身を含む): 2548385280

約数和(自身を除く): 908037249

約数列:

[1, 3, 7, 21, 59, 177, 413, 457, 1239, 1371, 2897, 3199, 8691, 9597, 20279, 26963, 60837, 80889, 170923, 188741, 512769, 566223, 1196461, 1323929, 3589383, 3971787, 9267503, 27802509, 78111811, 234335433, 546782677, 1640348031]

約数ペア:

[(1, 1640348031), (3, 546782677), (7, 234335433), (21, 78111811), (59, 27802509), (177, 9267503), (413, 3971787), (457, 3589383), (1239, 1323929), (1371, 1196461), (2897, 566223), (3199, 512769), (8691, 188741), (9597, 170923), (20279, 80889), (26963, 60837)]