71945649

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 115240320

約数和(自身を除く): 43294671

約数列:

[1, 3, 9, 17, 37, 51, 71, 111, 153, 179, 213, 333, 537, 629, 639, 1207, 1611, 1887, 2627, 3043, 3621, 5661, 6623, 7881, 9129, 10863, 12709, 19869, 23643, 27387, 38127, 44659, 59607, 112591, 114381, 133977, 216053, 337773, 401931, 470233, 648159, 1013319, 1410699, 1944477, 4232097, 7993961, 23981883, 71945649]

約数ペア:

[(1, 71945649), (3, 23981883), (9, 7993961), (17, 4232097), (37, 1944477), (51, 1410699), (71, 1013319), (111, 648159), (153, 470233), (179, 401931), (213, 337773), (333, 216053), (537, 133977), (629, 114381), (639, 112591), (1207, 59607), (1611, 44659), (1887, 38127), (2627, 27387), (3043, 23643), (3621, 19869), (5661, 12709), (6623, 10863), (7881, 9129)]