31212216

素因数分解:

$2^3\times 3^4\times 7^2\times {\mathrm{983}}^1$

素因数の和:1015

約数の個数: 120

約数和(自身を含む): 101799720

約数和(自身を除く): 70587504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 252, 294, 324, 378, 392, 441, 504, 567, 588, 648, 756, 882, 983, 1134, 1176, 1323, 1512, 1764, 1966, 2268, 2646, 2949, 3528, 3932, 3969, 4536, 5292, 5898, 6881, 7864, 7938, 8847, 10584, 11796, 13762, 15876, 17694, 20643, 23592, 26541, 27524, 31752, 35388, 41286, 48167, 53082, 55048, 61929, 70776, 79623, 82572, 96334, 106164, 123858, 144501, 159246, 165144, 185787, 192668, 212328, 247716, 289002, 318492, 371574, 385336, 433503, 495432, 557361, 578004, 636984, 743148, 867006, 1114722, 1156008, 1300509, 1486296, 1734012, 2229444, 2601018, 3468024, 3901527, 4458888, 5202036, 7803054, 10404072, 15606108, 31212216]

約数ペア:

[(1, 31212216), (2, 15606108), (3, 10404072), (4, 7803054), (6, 5202036), (7, 4458888), (8, 3901527), (9, 3468024), (12, 2601018), (14, 2229444), (18, 1734012), (21, 1486296), (24, 1300509), (27, 1156008), (28, 1114722), (36, 867006), (42, 743148), (49, 636984), (54, 578004), (56, 557361), (63, 495432), (72, 433503), (81, 385336), (84, 371574), (98, 318492), (108, 289002), (126, 247716), (147, 212328), (162, 192668), (168, 185787), (189, 165144), (196, 159246), (216, 144501), (252, 123858), (294, 106164), (324, 96334), (378, 82572), (392, 79623), (441, 70776), (504, 61929), (567, 55048), (588, 53082), (648, 48167), (756, 41286), (882, 35388), (983, 31752), (1134, 27524), (1176, 26541), (1323, 23592), (1512, 20643), (1764, 17694), (1966, 15876), (2268, 13762), (2646, 11796), (2949, 10584), (3528, 8847), (3932, 7938), (3969, 7864), (4536, 6881), (5292, 5898)]