123728805

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 228509424

約数和(自身を除く): 104780619

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 197, 255, 591, 765, 821, 985, 1773, 2463, 2955, 3349, 4105, 7389, 8865, 10047, 12315, 13957, 16745, 30141, 36945, 41871, 50235, 69785, 125613, 150705, 161737, 209355, 485211, 628065, 808685, 1455633, 2426055, 2749529, 7278165, 8248587, 13747645, 24745761, 41242935, 123728805]

約数ペア:

[(1, 123728805), (3, 41242935), (5, 24745761), (9, 13747645), (15, 8248587), (17, 7278165), (45, 2749529), (51, 2426055), (85, 1455633), (153, 808685), (197, 628065), (255, 485211), (591, 209355), (765, 161737), (821, 150705), (985, 125613), (1773, 69785), (2463, 50235), (2955, 41871), (3349, 36945), (4105, 30141), (7389, 16745), (8865, 13957), (10047, 12315)]