2179968309

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{4357}}^1$

素因数の和:4472

約数の個数: 48

約数和(自身を含む): 3426433920

約数和(自身を除く): 1246465611

約数列:

[1, 3, 9, 27, 29, 71, 81, 87, 213, 243, 261, 639, 783, 1917, 2059, 2349, 4357, 5751, 6177, 7047, 13071, 17253, 18531, 39213, 55593, 117639, 126353, 166779, 309347, 352917, 379059, 500337, 928041, 1058751, 1137177, 2784123, 3411531, 8352369, 8971063, 10234593, 25057107, 26913189, 30703779, 75171321, 80739567, 242218701, 726656103, 2179968309]

約数ペア:

[(1, 2179968309), (3, 726656103), (9, 242218701), (27, 80739567), (29, 75171321), (71, 30703779), (81, 26913189), (87, 25057107), (213, 10234593), (243, 8971063), (261, 8352369), (639, 3411531), (783, 2784123), (1917, 1137177), (2059, 1058751), (2349, 928041), (4357, 500337), (5751, 379059), (6177, 352917), (7047, 309347), (13071, 166779), (17253, 126353), (18531, 117639), (39213, 55593)]