215278803

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:663

約数の個数: 56

約数和(自身を含む): 354132000

約数和(自身を除く): 138853197

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 243, 261, 459, 493, 599, 729, 783, 1377, 1479, 1797, 2349, 4131, 4437, 5391, 7047, 10183, 12393, 13311, 16173, 17371, 21141, 30549, 39933, 48519, 52113, 91647, 119799, 145557, 156339, 274941, 295307, 359397, 436671, 469017, 824823, 885921, 1407051, 2474469, 2657763, 4221153, 7423407, 7973289, 12663459, 23919867, 71759601, 215278803]

約数ペア:

[(1, 215278803), (3, 71759601), (9, 23919867), (17, 12663459), (27, 7973289), (29, 7423407), (51, 4221153), (81, 2657763), (87, 2474469), (153, 1407051), (243, 885921), (261, 824823), (459, 469017), (493, 436671), (599, 359397), (729, 295307), (783, 274941), (1377, 156339), (1479, 145557), (1797, 119799), (2349, 91647), (4131, 52113), (4437, 48519), (5391, 39933), (7047, 30549), (10183, 21141), (12393, 17371), (13311, 16173)]