2018968425

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2689}}^1$

素因数の和:2823

約数の個数: 72

約数和(自身を含む): 3746545920

約数和(自身を除く): 1727577495

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, 2689, 3195, 3337, 3525, 5325, 8067, 10011, 10575, 13445, 15975, 16685, 24201, 30033, 40335, 50055, 67225, 83425, 121005, 126383, 150165, 190919, 201675, 250275, 379149, 572757, 605025, 631915, 750825, 954595, 1137447, 1718271, 1895745, 2863785, 3159575, 4772975, 5687235, 8591355, 8973193, 9478725, 14318925, 26919579, 28436175, 42956775, 44865965, 80758737, 134597895, 224329825, 403793685, 672989475, 2018968425]

約数ペア:

[(1, 2018968425), (3, 672989475), (5, 403793685), (9, 224329825), (15, 134597895), (25, 80758737), (45, 44865965), (47, 42956775), (71, 28436175), (75, 26919579), (141, 14318925), (213, 9478725), (225, 8973193), (235, 8591355), (355, 5687235), (423, 4772975), (639, 3159575), (705, 2863785), (1065, 1895745), (1175, 1718271), (1775, 1137447), (2115, 954595), (2689, 750825), (3195, 631915), (3337, 605025), (3525, 572757), (5325, 379149), (8067, 250275), (10011, 201675), (10575, 190919), (13445, 150165), (15975, 126383), (16685, 121005), (24201, 83425), (30033, 67225), (40335, 50055)]