72915471

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 112907520

約数和(自身を除く): 39992049

約数列:

[1, 3, 9, 27, 47, 81, 107, 141, 179, 321, 423, 537, 963, 1269, 1611, 2889, 3807, 4833, 5029, 8413, 8667, 14499, 15087, 19153, 25239, 45261, 57459, 75717, 135783, 172377, 227151, 407349, 517131, 681453, 900191, 1551393, 2700573, 8101719, 24305157, 72915471]

約数ペア:

[(1, 72915471), (3, 24305157), (9, 8101719), (27, 2700573), (47, 1551393), (81, 900191), (107, 681453), (141, 517131), (179, 407349), (321, 227151), (423, 172377), (537, 135783), (963, 75717), (1269, 57459), (1611, 45261), (2889, 25239), (3807, 19153), (4833, 15087), (5029, 14499), (8413, 8667)]