15549876

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 40915784

約数和(自身を除く): 25365908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 73, 97, 122, 146, 183, 194, 219, 244, 291, 292, 366, 388, 438, 549, 582, 657, 732, 873, 876, 1098, 1164, 1314, 1746, 2196, 2628, 3492, 4453, 5917, 7081, 8906, 11834, 13359, 14162, 17751, 17812, 21243, 23668, 26718, 28324, 35502, 40077, 42486, 53253, 53436, 63729, 71004, 80154, 84972, 106506, 127458, 160308, 213012, 254916, 431941, 863882, 1295823, 1727764, 2591646, 3887469, 5183292, 7774938, 15549876]

約数ペア:

[(1, 15549876), (2, 7774938), (3, 5183292), (4, 3887469), (6, 2591646), (9, 1727764), (12, 1295823), (18, 863882), (36, 431941), (61, 254916), (73, 213012), (97, 160308), (122, 127458), (146, 106506), (183, 84972), (194, 80154), (219, 71004), (244, 63729), (291, 53436), (292, 53253), (366, 42486), (388, 40077), (438, 35502), (549, 28324), (582, 26718), (657, 23668), (732, 21243), (873, 17812), (876, 17751), (1098, 14162), (1164, 13359), (1314, 11834), (1746, 8906), (2196, 7081), (2628, 5917), (3492, 4453)]