201620444175

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{53171}}^1$

素因数の和:54093

約数の個数: 72

約数和(自身を含む): 380566892160

約数和(自身を除く): 178946447985

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 887, 1425, 2661, 4275, 4435, 7983, 13305, 16853, 22175, 39915, 50559, 53171, 66525, 84265, 151677, 159513, 199575, 252795, 265855, 421325, 478539, 758385, 797565, 1010249, 1263975, 1329275, 2392695, 3030747, 3791925, 3987825, 5051245, 9092241, 11963475, 15153735, 25256225, 45461205, 47162677, 75768675, 141488031, 227306025, 235813385, 424464093, 707440155, 896090863, 1179066925, 2122320465, 2688272589, 3537200775, 4480454315, 8064817767, 10611602325, 13441362945, 22402271575, 40324088835, 67206814725, 201620444175]

約数ペア:

[(1, 201620444175), (3, 67206814725), (5, 40324088835), (9, 22402271575), (15, 13441362945), (19, 10611602325), (25, 8064817767), (45, 4480454315), (57, 3537200775), (75, 2688272589), (95, 2122320465), (171, 1179066925), (225, 896090863), (285, 707440155), (475, 424464093), (855, 235813385), (887, 227306025), (1425, 141488031), (2661, 75768675), (4275, 47162677), (4435, 45461205), (7983, 25256225), (13305, 15153735), (16853, 11963475), (22175, 9092241), (39915, 5051245), (50559, 3987825), (53171, 3791925), (66525, 3030747), (84265, 2392695), (151677, 1329275), (159513, 1263975), (199575, 1010249), (252795, 797565), (265855, 758385), (421325, 478539)]