208869609987

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1\times {\mathrm{2081}}^1$

素因数の和:2709

約数の個数: 64

約数和(自身を含む): 317546640000

約数和(自身を除く): 108677030013

約数列:

[1, 3, 9, 27, 61, 149, 183, 409, 447, 549, 1227, 1341, 1647, 2081, 3681, 4023, 6243, 9089, 11043, 18729, 24949, 27267, 56187, 60941, 74847, 81801, 126941, 182823, 224541, 245403, 310069, 380823, 548469, 673623, 851129, 930207, 1142469, 1645407, 2553387, 2790621, 3427407, 3717401, 7660161, 8371863, 11152203, 18914209, 22980483, 33456609, 51918869, 56742627, 100369827, 126818221, 155756607, 170227881, 380454663, 467269821, 510683643, 1141363989, 1401809463, 3424091967, 7735911481, 23207734443, 69623203329, 208869609987]

約数ペア:

[(1, 208869609987), (3, 69623203329), (9, 23207734443), (27, 7735911481), (61, 3424091967), (149, 1401809463), (183, 1141363989), (409, 510683643), (447, 467269821), (549, 380454663), (1227, 170227881), (1341, 155756607), (1647, 126818221), (2081, 100369827), (3681, 56742627), (4023, 51918869), (6243, 33456609), (9089, 22980483), (11043, 18914209), (18729, 11152203), (24949, 8371863), (27267, 7660161), (56187, 3717401), (60941, 3427407), (74847, 2790621), (81801, 2553387), (126941, 1645407), (182823, 1142469), (224541, 930207), (245403, 851129), (310069, 673623), (380823, 548469)]