219884625

素因数分解:

$3^6\times 5^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:179

約数の個数: 112

約数和(自身を含む): 436500480

約数和(自身を除く): 216615855

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 125, 127, 135, 171, 225, 243, 285, 375, 381, 405, 475, 513, 635, 675, 729, 855, 1125, 1143, 1215, 1425, 1539, 1905, 2025, 2375, 2413, 2565, 3175, 3375, 3429, 3645, 4275, 4617, 5715, 6075, 7125, 7239, 7695, 9525, 10125, 10287, 12065, 12825, 13851, 15875, 17145, 18225, 21375, 21717, 23085, 28575, 30375, 30861, 36195, 38475, 47625, 51435, 60325, 64125, 65151, 69255, 85725, 91125, 92583, 108585, 115425, 142875, 154305, 180975, 192375, 195453, 257175, 301625, 325755, 346275, 428625, 462915, 542925, 577125, 586359, 771525, 904875, 977265, 1285875, 1628775, 1731375, 1759077, 2314575, 2714625, 2931795, 3857625, 4886325, 8143875, 8795385, 11572875, 14658975, 24431625, 43976925, 73294875, 219884625]

約数ペア:

[(1, 219884625), (3, 73294875), (5, 43976925), (9, 24431625), (15, 14658975), (19, 11572875), (25, 8795385), (27, 8143875), (45, 4886325), (57, 3857625), (75, 2931795), (81, 2714625), (95, 2314575), (125, 1759077), (127, 1731375), (135, 1628775), (171, 1285875), (225, 977265), (243, 904875), (285, 771525), (375, 586359), (381, 577125), (405, 542925), (475, 462915), (513, 428625), (635, 346275), (675, 325755), (729, 301625), (855, 257175), (1125, 195453), (1143, 192375), (1215, 180975), (1425, 154305), (1539, 142875), (1905, 115425), (2025, 108585), (2375, 92583), (2413, 91125), (2565, 85725), (3175, 69255), (3375, 65151), (3429, 64125), (3645, 60325), (4275, 51435), (4617, 47625), (5715, 38475), (6075, 36195), (7125, 30861), (7239, 30375), (7695, 28575), (9525, 23085), (10125, 21717), (10287, 21375), (12065, 18225), (12825, 17145), (13851, 15875)]