1680231

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 2764800

約数和(自身を除く): 1084569

約数列:

[1, 3, 7, 21, 29, 31, 87, 89, 93, 203, 217, 267, 609, 623, 651, 899, 1869, 2581, 2697, 2759, 6293, 7743, 8277, 18067, 18879, 19313, 54201, 57939, 80011, 240033, 560077, 1680231]

約数ペア:

[(1, 1680231), (3, 560077), (7, 240033), (21, 80011), (29, 57939), (31, 54201), (87, 19313), (89, 18879), (93, 18067), (203, 8277), (217, 7743), (267, 6293), (609, 2759), (623, 2697), (651, 2581), (899, 1869)]