1661580921

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1249}}^1$

素因数の和:1726

約数の個数: 64

約数和(自身を含む): 2983680000

約数和(自身を除く): 1322099079

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 443, 1001, 1249, 1329, 3003, 3101, 3747, 4873, 5759, 8743, 9303, 13739, 14619, 16237, 17277, 26229, 34111, 40313, 41217, 48711, 63349, 96173, 102333, 113659, 120939, 178607, 190047, 288519, 340977, 443443, 535821, 553307, 1250249, 1330329, 1659921, 3750747, 3873149, 6086377, 7192991, 11619447, 18259131, 21578973, 42604639, 50350937, 79122901, 127813917, 151052811, 237368703, 553860307, 1661580921]

約数ペア:

[(1, 1661580921), (3, 553860307), (7, 237368703), (11, 151052811), (13, 127813917), (21, 79122901), (33, 50350937), (39, 42604639), (77, 21578973), (91, 18259131), (143, 11619447), (231, 7192991), (273, 6086377), (429, 3873149), (443, 3750747), (1001, 1659921), (1249, 1330329), (1329, 1250249), (3003, 553307), (3101, 535821), (3747, 443443), (4873, 340977), (5759, 288519), (8743, 190047), (9303, 178607), (13739, 120939), (14619, 113659), (16237, 102333), (17277, 96173), (26229, 63349), (34111, 48711), (40313, 41217)]