172965639

素因数分解:

$3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 306541440

約数和(自身を除く): 133575801

約数列:

[1, 3, 7, 11, 21, 33, 37, 49, 59, 77, 111, 147, 177, 231, 259, 343, 407, 413, 539, 649, 777, 1029, 1221, 1239, 1617, 1813, 1947, 2183, 2401, 2849, 2891, 3773, 4543, 5439, 6549, 7203, 8547, 8673, 11319, 12691, 13629, 15281, 19943, 20237, 24013, 26411, 31801, 38073, 45843, 59829, 60711, 72039, 79233, 88837, 95403, 106967, 139601, 141659, 168091, 222607, 266511, 320901, 418803, 424977, 504273, 667821, 748769, 977207, 1176637, 1558249, 2246307, 2931621, 3529911, 4674747, 5241383, 8236459, 15724149, 24709377, 57655213, 172965639]

約数ペア:

[(1, 172965639), (3, 57655213), (7, 24709377), (11, 15724149), (21, 8236459), (33, 5241383), (37, 4674747), (49, 3529911), (59, 2931621), (77, 2246307), (111, 1558249), (147, 1176637), (177, 977207), (231, 748769), (259, 667821), (343, 504273), (407, 424977), (413, 418803), (539, 320901), (649, 266511), (777, 222607), (1029, 168091), (1221, 141659), (1239, 139601), (1617, 106967), (1813, 95403), (1947, 88837), (2183, 79233), (2401, 72039), (2849, 60711), (2891, 59829), (3773, 45843), (4543, 38073), (5439, 31801), (6549, 26411), (7203, 24013), (8547, 20237), (8673, 19943), (11319, 15281), (12691, 13629)]