28509255

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 24561945

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 83, 85, 153, 249, 255, 415, 449, 747, 765, 1245, 1347, 1411, 2245, 3735, 4041, 4233, 6735, 7055, 7633, 12699, 20205, 21165, 22899, 37267, 38165, 63495, 68697, 111801, 114495, 186335, 335403, 343485, 559005, 633539, 1677015, 1900617, 3167695, 5701851, 9503085, 28509255]

約数ペア:

[(1, 28509255), (3, 9503085), (5, 5701851), (9, 3167695), (15, 1900617), (17, 1677015), (45, 633539), (51, 559005), (83, 343485), (85, 335403), (153, 186335), (249, 114495), (255, 111801), (415, 68697), (449, 63495), (747, 38165), (765, 37267), (1245, 22899), (1347, 21165), (1411, 20205), (2245, 12699), (3735, 7633), (4041, 7055), (4233, 6735)]