31819716

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 90561240

約数和(自身を除く): 58741524

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 53, 54, 68, 81, 102, 106, 108, 109, 153, 159, 162, 204, 212, 218, 306, 318, 324, 327, 436, 459, 477, 612, 636, 654, 901, 918, 954, 981, 1308, 1377, 1431, 1802, 1836, 1853, 1908, 1962, 2703, 2754, 2862, 2943, 3604, 3706, 3924, 4293, 5406, 5508, 5559, 5724, 5777, 5886, 7412, 8109, 8586, 8829, 10812, 11118, 11554, 11772, 16218, 16677, 17172, 17331, 17658, 22236, 23108, 24327, 32436, 33354, 34662, 35316, 48654, 50031, 51993, 66708, 69324, 72981, 97308, 98209, 100062, 103986, 145962, 150093, 155979, 196418, 200124, 207972, 291924, 294627, 300186, 311958, 392836, 467937, 589254, 600372, 623916, 883881, 935874, 1178508, 1767762, 1871748, 2651643, 3535524, 5303286, 7954929, 10606572, 15909858, 31819716]

約数ペア:

[(1, 31819716), (2, 15909858), (3, 10606572), (4, 7954929), (6, 5303286), (9, 3535524), (12, 2651643), (17, 1871748), (18, 1767762), (27, 1178508), (34, 935874), (36, 883881), (51, 623916), (53, 600372), (54, 589254), (68, 467937), (81, 392836), (102, 311958), (106, 300186), (108, 294627), (109, 291924), (153, 207972), (159, 200124), (162, 196418), (204, 155979), (212, 150093), (218, 145962), (306, 103986), (318, 100062), (324, 98209), (327, 97308), (436, 72981), (459, 69324), (477, 66708), (612, 51993), (636, 50031), (654, 48654), (901, 35316), (918, 34662), (954, 33354), (981, 32436), (1308, 24327), (1377, 23108), (1431, 22236), (1802, 17658), (1836, 17331), (1853, 17172), (1908, 16677), (1962, 16218), (2703, 11772), (2754, 11554), (2862, 11118), (2943, 10812), (3604, 8829), (3706, 8586), (3924, 8109), (4293, 7412), (5406, 5886), (5508, 5777), (5559, 5724)]