87270015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4219}}^1$

素因数の和:4431

約数の個数: 32

約数和(自身を含む): 160427520

約数和(自身を除く): 73157505

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 985, 1379, 2955, 4137, 4219, 6895, 12657, 20685, 21095, 29533, 63285, 88599, 147665, 442995, 831143, 2493429, 4155715, 5818001, 12467145, 17454003, 29090005, 87270015]

約数ペア:

[(1, 87270015), (3, 29090005), (5, 17454003), (7, 12467145), (15, 5818001), (21, 4155715), (35, 2493429), (105, 831143), (197, 442995), (591, 147665), (985, 88599), (1379, 63285), (2955, 29533), (4137, 21095), (4219, 20685), (6895, 12657)]