42857505

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 80

約数和(自身を含む): 82328400

約数和(自身を除く): 39470895

約数列:

[1, 3, 5, 9, 15, 27, 29, 41, 45, 81, 87, 89, 123, 135, 145, 205, 261, 267, 369, 405, 435, 445, 615, 783, 801, 1107, 1189, 1305, 1335, 1845, 2349, 2403, 2581, 3321, 3567, 3649, 3915, 4005, 5535, 5945, 7209, 7743, 10701, 10947, 11745, 12015, 12905, 16605, 17835, 18245, 23229, 32103, 32841, 36045, 38715, 53505, 54735, 69687, 96309, 98523, 105821, 116145, 160515, 164205, 209061, 295569, 317463, 348435, 481545, 492615, 529105, 952389, 1045305, 1477845, 1587315, 2857167, 4761945, 8571501, 14285835, 42857505]

約数ペア:

[(1, 42857505), (3, 14285835), (5, 8571501), (9, 4761945), (15, 2857167), (27, 1587315), (29, 1477845), (41, 1045305), (45, 952389), (81, 529105), (87, 492615), (89, 481545), (123, 348435), (135, 317463), (145, 295569), (205, 209061), (261, 164205), (267, 160515), (369, 116145), (405, 105821), (435, 98523), (445, 96309), (615, 69687), (783, 54735), (801, 53505), (1107, 38715), (1189, 36045), (1305, 32841), (1335, 32103), (1845, 23229), (2349, 18245), (2403, 17835), (2581, 16605), (3321, 12905), (3567, 12015), (3649, 11745), (3915, 10947), (4005, 10701), (5535, 7743), (5945, 7209)]