161879865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3943}}^1$

素因数の和:3998

約数の個数: 64

約数和(自身を含む): 327131136

約数和(自身を除く): 165251271

約数列:

[1, 3, 5, 7, 15, 17, 21, 23, 35, 51, 69, 85, 105, 115, 119, 161, 255, 345, 357, 391, 483, 595, 805, 1173, 1785, 1955, 2415, 2737, 3943, 5865, 8211, 11829, 13685, 19715, 27601, 41055, 59145, 67031, 82803, 90689, 138005, 201093, 272067, 335155, 414015, 453445, 469217, 634823, 1005465, 1360335, 1407651, 1541713, 1904469, 2346085, 3174115, 4625139, 7038255, 7708565, 9522345, 10791991, 23125695, 32375973, 53959955, 161879865]

約数ペア:

[(1, 161879865), (3, 53959955), (5, 32375973), (7, 23125695), (15, 10791991), (17, 9522345), (21, 7708565), (23, 7038255), (35, 4625139), (51, 3174115), (69, 2346085), (85, 1904469), (105, 1541713), (115, 1407651), (119, 1360335), (161, 1005465), (255, 634823), (345, 469217), (357, 453445), (391, 414015), (483, 335155), (595, 272067), (805, 201093), (1173, 138005), (1785, 90689), (1955, 82803), (2415, 67031), (2737, 59145), (3943, 41055), (5865, 27601), (8211, 19715), (11829, 13685)]