201720375

素因数分解:

$3^5\times 5^3\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 96

約数和(自身を含む): 391809600

約数和(自身を除く): 190089225

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 125, 135, 145, 225, 229, 243, 261, 375, 405, 435, 675, 687, 725, 783, 1125, 1145, 1215, 1305, 2025, 2061, 2175, 2349, 3375, 3435, 3625, 3915, 5725, 6075, 6183, 6525, 6641, 7047, 10125, 10305, 10875, 11745, 17175, 18549, 19575, 19923, 28625, 30375, 30915, 32625, 33205, 35235, 51525, 55647, 58725, 59769, 85875, 92745, 97875, 99615, 154575, 166025, 176175, 179307, 257625, 278235, 293625, 298845, 463725, 498075, 537921, 772875, 830125, 880875, 896535, 1391175, 1494225, 1613763, 2318625, 2490375, 2689605, 4482675, 6955875, 7471125, 8068815, 13448025, 22413375, 40344075, 67240125, 201720375]

約数ペア:

[(1, 201720375), (3, 67240125), (5, 40344075), (9, 22413375), (15, 13448025), (25, 8068815), (27, 7471125), (29, 6955875), (45, 4482675), (75, 2689605), (81, 2490375), (87, 2318625), (125, 1613763), (135, 1494225), (145, 1391175), (225, 896535), (229, 880875), (243, 830125), (261, 772875), (375, 537921), (405, 498075), (435, 463725), (675, 298845), (687, 293625), (725, 278235), (783, 257625), (1125, 179307), (1145, 176175), (1215, 166025), (1305, 154575), (2025, 99615), (2061, 97875), (2175, 92745), (2349, 85875), (3375, 59769), (3435, 58725), (3625, 55647), (3915, 51525), (5725, 35235), (6075, 33205), (6183, 32625), (6525, 30915), (6641, 30375), (7047, 28625), (10125, 19923), (10305, 19575), (10875, 18549), (11745, 17175)]