11964015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 48

約数和(自身を含む): 24960000

約数和(自身を除く): 12995985

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 1999, 5985, 5997, 9995, 13993, 17991, 29985, 37981, 41979, 69965, 89955, 113943, 125937, 189905, 209895, 265867, 341829, 569715, 629685, 797601, 1329335, 1709145, 2392803, 3988005, 11964015]

約数ペア:

[(1, 11964015), (3, 3988005), (5, 2392803), (7, 1709145), (9, 1329335), (15, 797601), (19, 629685), (21, 569715), (35, 341829), (45, 265867), (57, 209895), (63, 189905), (95, 125937), (105, 113943), (133, 89955), (171, 69965), (285, 41979), (315, 37981), (399, 29985), (665, 17991), (855, 13993), (1197, 9995), (1995, 5997), (1999, 5985)]