31665645

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 65505024

約数和(自身を除く): 33839379

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 53, 55, 71, 85, 99, 153, 159, 165, 187, 213, 255, 265, 355, 477, 495, 561, 583, 639, 765, 781, 795, 901, 935, 1065, 1207, 1683, 1749, 2343, 2385, 2703, 2805, 2915, 3195, 3621, 3763, 3905, 4505, 5247, 6035, 7029, 8109, 8415, 8745, 9911, 10863, 11289, 11715, 13277, 13515, 18105, 18815, 26235, 29733, 33867, 35145, 39831, 40545, 41393, 49555, 54315, 56445, 63971, 66385, 89199, 119493, 124179, 148665, 169335, 191913, 199155, 206965, 319855, 372537, 445995, 575739, 597465, 620895, 703681, 959565, 1862685, 2111043, 2878695, 3518405, 6333129, 10555215, 31665645]

約数ペア:

[(1, 31665645), (3, 10555215), (5, 6333129), (9, 3518405), (11, 2878695), (15, 2111043), (17, 1862685), (33, 959565), (45, 703681), (51, 620895), (53, 597465), (55, 575739), (71, 445995), (85, 372537), (99, 319855), (153, 206965), (159, 199155), (165, 191913), (187, 169335), (213, 148665), (255, 124179), (265, 119493), (355, 89199), (477, 66385), (495, 63971), (561, 56445), (583, 54315), (639, 49555), (765, 41393), (781, 40545), (795, 39831), (901, 35145), (935, 33867), (1065, 29733), (1207, 26235), (1683, 18815), (1749, 18105), (2343, 13515), (2385, 13277), (2703, 11715), (2805, 11289), (2915, 10863), (3195, 9911), (3621, 8745), (3763, 8415), (3905, 8109), (4505, 7029), (5247, 6035)]