156720735

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2857}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 288909504

約数和(自身を除く): 132188769

約数列:

[1, 3, 5, 9, 15, 23, 45, 53, 69, 115, 159, 207, 265, 345, 477, 795, 1035, 1219, 2385, 2857, 3657, 6095, 8571, 10971, 14285, 18285, 25713, 42855, 54855, 65711, 128565, 151421, 197133, 328555, 454263, 591399, 757105, 985665, 1362789, 2271315, 2956995, 3482683, 6813945, 10448049, 17413415, 31344147, 52240245, 156720735]

約数ペア:

[(1, 156720735), (3, 52240245), (5, 31344147), (9, 17413415), (15, 10448049), (23, 6813945), (45, 3482683), (53, 2956995), (69, 2271315), (115, 1362789), (159, 985665), (207, 757105), (265, 591399), (345, 454263), (477, 328555), (795, 197133), (1035, 151421), (1219, 128565), (2385, 65711), (2857, 54855), (3657, 42855), (6095, 25713), (8571, 18285), (10971, 14285)]