131132775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4056

約数の個数: 48

約数和(自身を含む): 238199040

約数和(自身を除く): 107066265

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 1311, 1425, 1725, 2185, 4001, 6555, 10925, 12003, 20005, 32775, 60015, 76019, 92023, 100025, 228057, 276069, 300075, 380095, 460115, 1140285, 1380345, 1748437, 1900475, 2300575, 5245311, 5701425, 6901725, 8742185, 26226555, 43710925, 131132775]

約数ペア:

[(1, 131132775), (3, 43710925), (5, 26226555), (15, 8742185), (19, 6901725), (23, 5701425), (25, 5245311), (57, 2300575), (69, 1900475), (75, 1748437), (95, 1380345), (115, 1140285), (285, 460115), (345, 380095), (437, 300075), (475, 276069), (575, 228057), (1311, 100025), (1425, 92023), (1725, 76019), (2185, 60015), (4001, 32775), (6555, 20005), (10925, 12003)]