388538451

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 709435584

約数和(自身を除く): 320897133

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 173, 189, 233, 357, 459, 519, 567, 699, 1071, 1211, 1377, 1557, 1631, 2097, 2941, 3213, 3633, 3961, 4671, 4893, 6291, 8823, 9639, 10899, 11883, 14013, 14679, 18873, 20587, 26469, 27727, 32697, 35649, 40309, 44037, 61761, 79407, 83181, 98091, 106947, 120927, 132111, 185283, 238221, 249543, 282163, 320841, 362781, 555849, 685253, 748629, 846489, 1088343, 1667547, 2055759, 2245887, 2539467, 3265029, 4796771, 6167277, 7618401, 14390313, 18501831, 22855203, 43170939, 55505493, 129512817, 388538451]

約数ペア:

[(1, 388538451), (3, 129512817), (7, 55505493), (9, 43170939), (17, 22855203), (21, 18501831), (27, 14390313), (51, 7618401), (63, 6167277), (81, 4796771), (119, 3265029), (153, 2539467), (173, 2245887), (189, 2055759), (233, 1667547), (357, 1088343), (459, 846489), (519, 748629), (567, 685253), (699, 555849), (1071, 362781), (1211, 320841), (1377, 282163), (1557, 249543), (1631, 238221), (2097, 185283), (2941, 132111), (3213, 120927), (3633, 106947), (3961, 98091), (4671, 83181), (4893, 79407), (6291, 61761), (8823, 44037), (9639, 40309), (10899, 35649), (11883, 32697), (14013, 27727), (14679, 26469), (18873, 20587)]