55556025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 112492800

約数和(自身を除く): 56936775

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 41, 75, 87, 89, 105, 123, 145, 175, 203, 205, 267, 287, 435, 445, 525, 609, 615, 623, 725, 861, 1015, 1025, 1189, 1335, 1435, 1869, 2175, 2225, 2581, 3045, 3075, 3115, 3567, 3649, 4305, 5075, 5945, 6675, 7175, 7743, 8323, 9345, 10947, 12905, 15225, 15575, 17835, 18067, 18245, 21525, 24969, 25543, 29725, 38715, 41615, 46725, 54201, 54735, 64525, 76629, 89175, 90335, 91225, 105821, 124845, 127715, 193575, 208075, 271005, 273675, 317463, 383145, 451675, 529105, 624225, 638575, 740747, 1355025, 1587315, 1915725, 2222241, 2645525, 3703735, 7936575, 11111205, 18518675, 55556025]

約数ペア:

[(1, 55556025), (3, 18518675), (5, 11111205), (7, 7936575), (15, 3703735), (21, 2645525), (25, 2222241), (29, 1915725), (35, 1587315), (41, 1355025), (75, 740747), (87, 638575), (89, 624225), (105, 529105), (123, 451675), (145, 383145), (175, 317463), (203, 273675), (205, 271005), (267, 208075), (287, 193575), (435, 127715), (445, 124845), (525, 105821), (609, 91225), (615, 90335), (623, 89175), (725, 76629), (861, 64525), (1015, 54735), (1025, 54201), (1189, 46725), (1335, 41615), (1435, 38715), (1869, 29725), (2175, 25543), (2225, 24969), (2581, 21525), (3045, 18245), (3075, 18067), (3115, 17835), (3567, 15575), (3649, 15225), (4305, 12905), (5075, 10947), (5945, 9345), (6675, 8323), (7175, 7743)]