31972563

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 60217344

約数和(自身を除く): 28244781

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 51, 63, 81, 93, 107, 119, 153, 189, 217, 279, 321, 357, 459, 527, 567, 651, 749, 837, 963, 1071, 1377, 1581, 1819, 1953, 2247, 2511, 2889, 3213, 3317, 3689, 4743, 5457, 5859, 6741, 8667, 9639, 9951, 11067, 12733, 14229, 16371, 17577, 20223, 23219, 29853, 33201, 38199, 42687, 49113, 56389, 60669, 69657, 89559, 99603, 114597, 147339, 169167, 208971, 268677, 298809, 343791, 394723, 507501, 626913, 1031373, 1184169, 1522503, 1880739, 3552507, 4567509, 10657521, 31972563]

約数ペア:

[(1, 31972563), (3, 10657521), (7, 4567509), (9, 3552507), (17, 1880739), (21, 1522503), (27, 1184169), (31, 1031373), (51, 626913), (63, 507501), (81, 394723), (93, 343791), (107, 298809), (119, 268677), (153, 208971), (189, 169167), (217, 147339), (279, 114597), (321, 99603), (357, 89559), (459, 69657), (527, 60669), (567, 56389), (651, 49113), (749, 42687), (837, 38199), (963, 33201), (1071, 29853), (1377, 23219), (1581, 20223), (1819, 17577), (1953, 16371), (2247, 14229), (2511, 12733), (2889, 11067), (3213, 9951), (3317, 9639), (3689, 8667), (4743, 6741), (5457, 5859)]