80869005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1723}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 161366400

約数和(自身を除く): 80497395

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 149, 315, 447, 745, 1043, 1341, 1723, 2235, 3129, 5169, 5215, 6705, 8615, 9387, 12061, 15507, 15645, 25845, 36183, 46935, 60305, 77535, 108549, 180915, 256727, 542745, 770181, 1283635, 1797089, 2310543, 3850905, 5391267, 8985445, 11552715, 16173801, 26956335, 80869005]

約数ペア:

[(1, 80869005), (3, 26956335), (5, 16173801), (7, 11552715), (9, 8985445), (15, 5391267), (21, 3850905), (35, 2310543), (45, 1797089), (63, 1283635), (105, 770181), (149, 542745), (315, 256727), (447, 180915), (745, 108549), (1043, 77535), (1341, 60305), (1723, 46935), (2235, 36183), (3129, 25845), (5169, 15645), (5215, 15507), (6705, 12061), (8615, 9387)]