219465813

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 340992000

約数和(自身を除く): 121526187

約数列:

[1, 3, 7, 21, 73, 219, 239, 511, 599, 717, 1533, 1673, 1797, 4193, 5019, 12579, 17447, 43727, 52341, 122129, 131181, 143161, 306089, 366387, 429483, 918267, 1002127, 3006381, 10450753, 31352259, 73155271, 219465813]

約数ペア:

[(1, 219465813), (3, 73155271), (7, 31352259), (21, 10450753), (73, 3006381), (219, 1002127), (239, 918267), (511, 429483), (599, 366387), (717, 306089), (1533, 143161), (1673, 131181), (1797, 122129), (4193, 52341), (5019, 43727), (12579, 17447)]