15661900815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1\times {\mathrm{1993}}^1$

素因数の和:2600

約数の個数: 64

約数和(自身を含む): 27689098752

約数和(自身を除く): 12027197937

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 491, 1067, 1455, 1473, 1993, 2455, 3201, 5335, 5401, 5979, 7365, 9965, 16005, 16203, 21923, 27005, 29895, 47627, 65769, 81015, 109615, 142881, 193321, 238135, 328845, 523897, 579963, 714405, 966605, 978563, 1571691, 2126531, 2619485, 2899815, 2935689, 4892815, 6379593, 7858455, 10632655, 10764193, 14678445, 31897965, 32292579, 53820965, 94920611, 161462895, 284761833, 474603055, 1044126721, 1423809165, 3132380163, 5220633605, 15661900815]

約数ペア:

[(1, 15661900815), (3, 5220633605), (5, 3132380163), (11, 1423809165), (15, 1044126721), (33, 474603055), (55, 284761833), (97, 161462895), (165, 94920611), (291, 53820965), (485, 32292579), (491, 31897965), (1067, 14678445), (1455, 10764193), (1473, 10632655), (1993, 7858455), (2455, 6379593), (3201, 4892815), (5335, 2935689), (5401, 2899815), (5979, 2619485), (7365, 2126531), (9965, 1571691), (16005, 978563), (16203, 966605), (21923, 714405), (27005, 579963), (29895, 523897), (47627, 328845), (65769, 238135), (81015, 193321), (109615, 142881)]