840192195

素因数分解:

$3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1\times {\mathrm{859}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 1356791040

約数和(自身を除く): 516598845

約数列:

[1, 3, 5, 15, 197, 331, 591, 859, 985, 993, 1655, 2577, 2955, 4295, 4965, 12885, 65207, 169223, 195621, 284329, 326035, 507669, 846115, 852987, 978105, 1421645, 2538345, 4264935, 56012813, 168038439, 280064065, 840192195]

約数ペア:

[(1, 840192195), (3, 280064065), (5, 168038439), (15, 56012813), (197, 4264935), (331, 2538345), (591, 1421645), (859, 978105), (985, 852987), (993, 846115), (1655, 507669), (2577, 326035), (2955, 284329), (4295, 195621), (4965, 169223), (12885, 65207)]