2768985

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 5189184

約数和(自身を除く): 2420199

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 53, 81, 129, 135, 159, 215, 243, 265, 387, 405, 477, 645, 795, 1161, 1215, 1431, 1935, 2279, 2385, 3483, 4293, 5805, 6837, 7155, 10449, 11395, 12879, 17415, 20511, 21465, 34185, 52245, 61533, 64395, 102555, 184599, 307665, 553797, 922995, 2768985]

約数ペア:

[(1, 2768985), (3, 922995), (5, 553797), (9, 307665), (15, 184599), (27, 102555), (43, 64395), (45, 61533), (53, 52245), (81, 34185), (129, 21465), (135, 20511), (159, 17415), (215, 12879), (243, 11395), (265, 10449), (387, 7155), (405, 6837), (477, 5805), (645, 4293), (795, 3483), (1161, 2385), (1215, 2279), (1431, 1935)]