17720998071

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{66587}}^1$

素因数の和:66668

約数の個数: 64

約数和(自身を含む): 30683750400

約数和(自身を除く): 12962752329

約数列:

[1, 3, 7, 19, 21, 23, 29, 57, 69, 87, 133, 161, 203, 399, 437, 483, 551, 609, 667, 1311, 1653, 2001, 3059, 3857, 4669, 9177, 11571, 12673, 14007, 38019, 66587, 88711, 199761, 266133, 466109, 1265153, 1398327, 1531501, 1931023, 3795459, 4594503, 5793069, 8856071, 10720507, 13517161, 26568213, 29098519, 32161521, 36689437, 40551483, 44413529, 87295557, 110068311, 133240587, 203689633, 256826059, 310894703, 611068899, 770478177, 843857051, 932684109, 2531571153, 5906999357, 17720998071]

約数ペア:

[(1, 17720998071), (3, 5906999357), (7, 2531571153), (19, 932684109), (21, 843857051), (23, 770478177), (29, 611068899), (57, 310894703), (69, 256826059), (87, 203689633), (133, 133240587), (161, 110068311), (203, 87295557), (399, 44413529), (437, 40551483), (483, 36689437), (551, 32161521), (609, 29098519), (667, 26568213), (1311, 13517161), (1653, 10720507), (2001, 8856071), (3059, 5793069), (3857, 4594503), (4669, 3795459), (9177, 1931023), (11571, 1531501), (12673, 1398327), (14007, 1265153), (38019, 466109), (66587, 266133), (88711, 199761)]