123234345

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 255467520

約数和(自身を除く): 132233175

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 43, 45, 65, 69, 71, 115, 117, 129, 135, 195, 207, 213, 215, 299, 345, 351, 355, 387, 559, 585, 621, 639, 645, 897, 923, 989, 1035, 1065, 1161, 1495, 1633, 1677, 1755, 1917, 1935, 2691, 2769, 2795, 2967, 3053, 3105, 3195, 4485, 4615, 4899, 4945, 5031, 5805, 8073, 8165, 8307, 8385, 8901, 9159, 9585, 12857, 13455, 13845, 14697, 14835, 15093, 15265, 21229, 24495, 24921, 25155, 26703, 27477, 38571, 39689, 40365, 41535, 44091, 44505, 45795, 63687, 64285, 70219, 73485, 75465, 82431, 106145, 115713, 119067, 124605, 133515, 137385, 191061, 192855, 198445, 210657, 220455, 318435, 347139, 351095, 357201, 412155, 573183, 578565, 595335, 631971, 912847, 955305, 1053285, 1071603, 1735695, 1786005, 1895913, 2738541, 2865915, 3159855, 4564235, 5358015, 8215623, 9479565, 13692705, 24646869, 41078115, 123234345]

約数ペア:

[(1, 123234345), (3, 41078115), (5, 24646869), (9, 13692705), (13, 9479565), (15, 8215623), (23, 5358015), (27, 4564235), (39, 3159855), (43, 2865915), (45, 2738541), (65, 1895913), (69, 1786005), (71, 1735695), (115, 1071603), (117, 1053285), (129, 955305), (135, 912847), (195, 631971), (207, 595335), (213, 578565), (215, 573183), (299, 412155), (345, 357201), (351, 351095), (355, 347139), (387, 318435), (559, 220455), (585, 210657), (621, 198445), (639, 192855), (645, 191061), (897, 137385), (923, 133515), (989, 124605), (1035, 119067), (1065, 115713), (1161, 106145), (1495, 82431), (1633, 75465), (1677, 73485), (1755, 70219), (1917, 64285), (1935, 63687), (2691, 45795), (2769, 44505), (2795, 44091), (2967, 41535), (3053, 40365), (3105, 39689), (3195, 38571), (4485, 27477), (4615, 26703), (4899, 25155), (4945, 24921), (5031, 24495), (5805, 21229), (8073, 15265), (8165, 15093), (8307, 14835), (8385, 14697), (8901, 13845), (9159, 13455), (9585, 12857)]