25815015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 47704800

約数和(自身を除く): 21889785

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 109, 171, 277, 285, 327, 545, 831, 855, 981, 1385, 1635, 2071, 2493, 4155, 4905, 5263, 6213, 10355, 12465, 15789, 18639, 26315, 30193, 31065, 47367, 78945, 90579, 93195, 150965, 236835, 271737, 452895, 573667, 1358685, 1721001, 2868335, 5163003, 8605005, 25815015]

約数ペア:

[(1, 25815015), (3, 8605005), (5, 5163003), (9, 2868335), (15, 1721001), (19, 1358685), (45, 573667), (57, 452895), (95, 271737), (109, 236835), (171, 150965), (277, 93195), (285, 90579), (327, 78945), (545, 47367), (831, 31065), (855, 30193), (981, 26315), (1385, 18639), (1635, 15789), (2071, 12465), (2493, 10355), (4155, 6213), (4905, 5263)]