81219654

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 180294192

約数和(自身を除く): 99074538

約数列:

[1, 2, 3, 6, 9, 18, 73, 113, 146, 219, 226, 339, 438, 547, 657, 678, 1017, 1094, 1314, 1641, 2034, 3282, 4923, 8249, 9846, 16498, 24747, 39931, 49494, 61811, 74241, 79862, 119793, 123622, 148482, 185433, 239586, 359379, 370866, 556299, 718758, 1112598, 4512203, 9024406, 13536609, 27073218, 40609827, 81219654]

約数ペア:

[(1, 81219654), (2, 40609827), (3, 27073218), (6, 13536609), (9, 9024406), (18, 4512203), (73, 1112598), (113, 718758), (146, 556299), (219, 370866), (226, 359379), (339, 239586), (438, 185433), (547, 148482), (657, 123622), (678, 119793), (1017, 79862), (1094, 74241), (1314, 61811), (1641, 49494), (2034, 39931), (3282, 24747), (4923, 16498), (8249, 9846)]