856551855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^2$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 1481435136

約数和(自身を除く): 624883281

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 283, 345, 465, 713, 849, 1415, 2139, 3565, 4245, 6509, 8773, 10695, 19527, 26319, 32545, 43865, 80089, 97635, 131595, 201779, 240267, 400445, 605337, 1008895, 1201335, 1842047, 2482759, 3026685, 5526141, 7448277, 9210235, 12413795, 27630705, 37241385, 57103457, 171310371, 285517285, 856551855]

約数ペア:

[(1, 856551855), (3, 285517285), (5, 171310371), (15, 57103457), (23, 37241385), (31, 27630705), (69, 12413795), (93, 9210235), (115, 7448277), (155, 5526141), (283, 3026685), (345, 2482759), (465, 1842047), (713, 1201335), (849, 1008895), (1415, 605337), (2139, 400445), (3565, 240267), (4245, 201779), (6509, 131595), (8773, 97635), (10695, 80089), (19527, 43865), (26319, 32545)]