87485139

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 158455440

約数和(自身を除く): 70970301

約数列:

[1, 3, 7, 9, 19, 21, 49, 53, 57, 63, 133, 147, 159, 171, 197, 371, 399, 441, 477, 591, 931, 1007, 1113, 1197, 1379, 1773, 2597, 2793, 3021, 3339, 3743, 4137, 7049, 7791, 8379, 9063, 9653, 10441, 11229, 12411, 21147, 23373, 26201, 28959, 31323, 33687, 49343, 63441, 73087, 78603, 86877, 93969, 148029, 183407, 198379, 219261, 235809, 444087, 511609, 550221, 595137, 657783, 1388653, 1534827, 1650663, 1785411, 4165959, 4604481, 9720571, 12497877, 29161713, 87485139]

約数ペア:

[(1, 87485139), (3, 29161713), (7, 12497877), (9, 9720571), (19, 4604481), (21, 4165959), (49, 1785411), (53, 1650663), (57, 1534827), (63, 1388653), (133, 657783), (147, 595137), (159, 550221), (171, 511609), (197, 444087), (371, 235809), (399, 219261), (441, 198379), (477, 183407), (591, 148029), (931, 93969), (1007, 86877), (1113, 78603), (1197, 73087), (1379, 63441), (1773, 49343), (2597, 33687), (2793, 31323), (3021, 28959), (3339, 26201), (3743, 23373), (4137, 21147), (7049, 12411), (7791, 11229), (8379, 10441), (9063, 9653)]