523440897

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 868921344

約数和(自身を除く): 345480447

約数列:

[1, 3, 7, 17, 21, 51, 71, 107, 119, 193, 213, 321, 357, 497, 579, 749, 1207, 1351, 1491, 1819, 2247, 3281, 3621, 4053, 5457, 7597, 8449, 9843, 12733, 13703, 20651, 22791, 22967, 25347, 38199, 41109, 53179, 61953, 68901, 95921, 129149, 144557, 159537, 232951, 287763, 351067, 387447, 433671, 698853, 904043, 1053201, 1466221, 1630657, 2457469, 2712129, 4398663, 4891971, 7372407, 10263547, 24925757, 30790641, 74777271, 174480299, 523440897]

約数ペア:

[(1, 523440897), (3, 174480299), (7, 74777271), (17, 30790641), (21, 24925757), (51, 10263547), (71, 7372407), (107, 4891971), (119, 4398663), (193, 2712129), (213, 2457469), (321, 1630657), (357, 1466221), (497, 1053201), (579, 904043), (749, 698853), (1207, 433671), (1351, 387447), (1491, 351067), (1819, 287763), (2247, 232951), (3281, 159537), (3621, 144557), (4053, 129149), (5457, 95921), (7597, 68901), (8449, 61953), (9843, 53179), (12733, 41109), (13703, 38199), (20651, 25347), (22791, 22967)]