259842015

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{29311}}^1$

素因数の和:29519

約数の個数: 24

約数和(自身を含む): 452694528

約数和(自身を除く): 192852513

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 8865, 29311, 87933, 146555, 263799, 439665, 1318995, 5774267, 17322801, 28871335, 51968403, 86614005, 259842015]

約数ペア:

[(1, 259842015), (3, 86614005), (5, 51968403), (9, 28871335), (15, 17322801), (45, 5774267), (197, 1318995), (591, 439665), (985, 263799), (1773, 146555), (2955, 87933), (8865, 29311)]