201396825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1801}}^1$

素因数の和:1895

約数の個数: 72

約数和(自身を含む): 418294656

約数和(自身を除く): 216897831

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 71, 75, 105, 175, 213, 225, 315, 355, 497, 525, 639, 1065, 1491, 1575, 1775, 1801, 2485, 3195, 4473, 5325, 5403, 7455, 9005, 12425, 12607, 15975, 16209, 22365, 27015, 37275, 37821, 45025, 63035, 81045, 111825, 113463, 127871, 135075, 189105, 315175, 383613, 405225, 567315, 639355, 895097, 945525, 1150839, 1918065, 2685291, 2836575, 3196775, 4475485, 5754195, 8055873, 9590325, 13426455, 22377425, 28770975, 40279365, 67132275, 201396825]

約数ペア:

[(1, 201396825), (3, 67132275), (5, 40279365), (7, 28770975), (9, 22377425), (15, 13426455), (21, 9590325), (25, 8055873), (35, 5754195), (45, 4475485), (63, 3196775), (71, 2836575), (75, 2685291), (105, 1918065), (175, 1150839), (213, 945525), (225, 895097), (315, 639355), (355, 567315), (497, 405225), (525, 383613), (639, 315175), (1065, 189105), (1491, 135075), (1575, 127871), (1775, 113463), (1801, 111825), (2485, 81045), (3195, 63035), (4473, 45025), (5325, 37821), (5403, 37275), (7455, 27015), (9005, 22365), (12425, 16209), (12607, 15975)]