13712013

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 25608960

約数和(自身を除く): 11896947

約数列:

[1, 3, 7, 9, 17, 21, 31, 49, 51, 59, 63, 93, 119, 147, 153, 177, 217, 279, 357, 413, 441, 527, 531, 651, 833, 1003, 1071, 1239, 1519, 1581, 1829, 1953, 2499, 2891, 3009, 3689, 3717, 4557, 4743, 5487, 7021, 7497, 8673, 9027, 11067, 12803, 13671, 16461, 21063, 25823, 26019, 31093, 33201, 38409, 49147, 63189, 77469, 89621, 93279, 115227, 147441, 217651, 232407, 268863, 279837, 442323, 652953, 806589, 1523557, 1958859, 4570671, 13712013]

約数ペア:

[(1, 13712013), (3, 4570671), (7, 1958859), (9, 1523557), (17, 806589), (21, 652953), (31, 442323), (49, 279837), (51, 268863), (59, 232407), (63, 217651), (93, 147441), (119, 115227), (147, 93279), (153, 89621), (177, 77469), (217, 63189), (279, 49147), (357, 38409), (413, 33201), (441, 31093), (527, 26019), (531, 25823), (651, 21063), (833, 16461), (1003, 13671), (1071, 12803), (1239, 11067), (1519, 9027), (1581, 8673), (1829, 7497), (1953, 7021), (2499, 5487), (2891, 4743), (3009, 4557), (3689, 3717)]