2987325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 6267456

約数和(自身を除く): 3280131

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 33, 45, 51, 55, 71, 75, 85, 99, 153, 165, 187, 213, 225, 255, 275, 355, 425, 495, 561, 639, 765, 781, 825, 935, 1065, 1207, 1275, 1683, 1775, 2343, 2475, 2805, 3195, 3621, 3825, 3905, 4675, 5325, 6035, 7029, 8415, 10863, 11715, 13277, 14025, 15975, 18105, 19525, 30175, 35145, 39831, 42075, 54315, 58575, 66385, 90525, 119493, 175725, 199155, 271575, 331925, 597465, 995775, 2987325]

約数ペア:

[(1, 2987325), (3, 995775), (5, 597465), (9, 331925), (11, 271575), (15, 199155), (17, 175725), (25, 119493), (33, 90525), (45, 66385), (51, 58575), (55, 54315), (71, 42075), (75, 39831), (85, 35145), (99, 30175), (153, 19525), (165, 18105), (187, 15975), (213, 14025), (225, 13277), (255, 11715), (275, 10863), (355, 8415), (425, 7029), (495, 6035), (561, 5325), (639, 4675), (765, 3905), (781, 3825), (825, 3621), (935, 3195), (1065, 2805), (1207, 2475), (1275, 2343), (1683, 1775)]