28989345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 60917760

約数和(自身を除く): 31928415

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 33, 35, 55, 57, 77, 95, 105, 133, 165, 209, 231, 285, 385, 399, 627, 665, 1045, 1155, 1321, 1463, 1995, 3135, 3963, 4389, 6605, 7315, 9247, 14531, 19815, 21945, 25099, 27741, 43593, 46235, 72655, 75297, 101717, 125495, 138705, 175693, 217965, 276089, 305151, 376485, 508585, 527079, 828267, 878465, 1380445, 1525755, 1932623, 2635395, 4141335, 5797869, 9663115, 28989345]

約数ペア:

[(1, 28989345), (3, 9663115), (5, 5797869), (7, 4141335), (11, 2635395), (15, 1932623), (19, 1525755), (21, 1380445), (33, 878465), (35, 828267), (55, 527079), (57, 508585), (77, 376485), (95, 305151), (105, 276089), (133, 217965), (165, 175693), (209, 138705), (231, 125495), (285, 101717), (385, 75297), (399, 72655), (627, 46235), (665, 43593), (1045, 27741), (1155, 25099), (1321, 21945), (1463, 19815), (1995, 14531), (3135, 9247), (3963, 7315), (4389, 6605)]