331348878

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1907}}^1$

素因数の和:2126

約数の個数: 72

約数和(自身を含む): 839813832

約数和(自身を除く): 508464954

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 197, 294, 394, 441, 591, 882, 1182, 1379, 1773, 1907, 2758, 3546, 3814, 4137, 5721, 8274, 9653, 11442, 12411, 13349, 17163, 19306, 24822, 26698, 28959, 34326, 40047, 57918, 80094, 86877, 93443, 120141, 173754, 186886, 240282, 280329, 375679, 560658, 751358, 840987, 1127037, 1681974, 2254074, 2629753, 3381111, 5259506, 6762222, 7889259, 15778518, 18408271, 23667777, 36816542, 47335554, 55224813, 110449626, 165674439, 331348878]

約数ペア:

[(1, 331348878), (2, 165674439), (3, 110449626), (6, 55224813), (7, 47335554), (9, 36816542), (14, 23667777), (18, 18408271), (21, 15778518), (42, 7889259), (49, 6762222), (63, 5259506), (98, 3381111), (126, 2629753), (147, 2254074), (197, 1681974), (294, 1127037), (394, 840987), (441, 751358), (591, 560658), (882, 375679), (1182, 280329), (1379, 240282), (1773, 186886), (1907, 173754), (2758, 120141), (3546, 93443), (3814, 86877), (4137, 80094), (5721, 57918), (8274, 40047), (9653, 34326), (11442, 28959), (12411, 26698), (13349, 24822), (17163, 19306)]