2100057525

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2797}}^1$

素因数の和:2931

約数の個数: 72

約数和(自身を含む): 3896964864

約数和(自身を除く): 1796907339

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 71, 75, 141, 213, 225, 235, 355, 423, 639, 705, 1065, 1175, 1775, 2115, 2797, 3195, 3337, 3525, 5325, 8391, 10011, 10575, 13985, 15975, 16685, 25173, 30033, 41955, 50055, 69925, 83425, 125865, 131459, 150165, 198587, 209775, 250275, 394377, 595761, 629325, 657295, 750825, 992935, 1183131, 1787283, 1971885, 2978805, 3286475, 4964675, 5915655, 8936415, 9333589, 9859425, 14894025, 28000767, 29578275, 44682075, 46667945, 84002301, 140003835, 233339725, 420011505, 700019175, 2100057525]

約数ペア:

[(1, 2100057525), (3, 700019175), (5, 420011505), (9, 233339725), (15, 140003835), (25, 84002301), (45, 46667945), (47, 44682075), (71, 29578275), (75, 28000767), (141, 14894025), (213, 9859425), (225, 9333589), (235, 8936415), (355, 5915655), (423, 4964675), (639, 3286475), (705, 2978805), (1065, 1971885), (1175, 1787283), (1775, 1183131), (2115, 992935), (2797, 750825), (3195, 657295), (3337, 629325), (3525, 595761), (5325, 394377), (8391, 250275), (10011, 209775), (10575, 198587), (13985, 150165), (15975, 131459), (16685, 125865), (25173, 83425), (30033, 69925), (41955, 50055)]