28378695

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 48565440

約数和(自身を除く): 20186745

約数列:

[1, 3, 5, 15, 17, 51, 85, 109, 255, 327, 545, 1021, 1635, 1853, 3063, 5105, 5559, 9265, 15315, 17357, 27795, 52071, 86785, 111289, 260355, 333867, 556445, 1669335, 1891913, 5675739, 9459565, 28378695]

約数ペア:

[(1, 28378695), (3, 9459565), (5, 5675739), (15, 1891913), (17, 1669335), (51, 556445), (85, 333867), (109, 260355), (255, 111289), (327, 86785), (545, 52071), (1021, 27795), (1635, 17357), (1853, 15315), (3063, 9265), (5105, 5559)]