25428975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2371}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 49413504

約数和(自身を除く): 23984529

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 2371, 3575, 7113, 10725, 11855, 26081, 30823, 35565, 59275, 78243, 92469, 130405, 154115, 177825, 339053, 391215, 462345, 652025, 770575, 1017159, 1695265, 1956075, 2311725, 5085795, 8476325, 25428975]

約数ペア:

[(1, 25428975), (3, 8476325), (5, 5085795), (11, 2311725), (13, 1956075), (15, 1695265), (25, 1017159), (33, 770575), (39, 652025), (55, 462345), (65, 391215), (75, 339053), (143, 177825), (165, 154115), (195, 130405), (275, 92469), (325, 78243), (429, 59275), (715, 35565), (825, 30823), (975, 26081), (2145, 11855), (2371, 10725), (3575, 7113)]