87917571

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 150591168

約数和(自身を除く): 62673597

約数列:

[1, 3, 7, 9, 21, 41, 63, 101, 123, 287, 303, 337, 369, 707, 861, 909, 1011, 2121, 2359, 2583, 3033, 4141, 6363, 7077, 12423, 13817, 21231, 28987, 34037, 37269, 41451, 86961, 96719, 102111, 124353, 238259, 260883, 290157, 306333, 714777, 870471, 1395517, 2144331, 4186551, 9768619, 12559653, 29305857, 87917571]

約数ペア:

[(1, 87917571), (3, 29305857), (7, 12559653), (9, 9768619), (21, 4186551), (41, 2144331), (63, 1395517), (101, 870471), (123, 714777), (287, 306333), (303, 290157), (337, 260883), (369, 238259), (707, 124353), (861, 102111), (909, 96719), (1011, 86961), (2121, 41451), (2359, 37269), (2583, 34037), (3033, 28987), (4141, 21231), (6363, 13817), (7077, 12423)]