204545439

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 364262400

約数和(自身を除く): 159716961

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 67, 87, 189, 201, 203, 261, 469, 557, 603, 609, 783, 1407, 1671, 1809, 1827, 1943, 3899, 4221, 5013, 5481, 5829, 11697, 12663, 13601, 15039, 16153, 17487, 35091, 37319, 40803, 48459, 52461, 105273, 111957, 113071, 122409, 145377, 261233, 335871, 339213, 367227, 436131, 783699, 1007613, 1017639, 1082251, 2351097, 3052917, 3246753, 7053291, 7575757, 9740259, 22727271, 29220777, 68181813, 204545439]

約数ペア:

[(1, 204545439), (3, 68181813), (7, 29220777), (9, 22727271), (21, 9740259), (27, 7575757), (29, 7053291), (63, 3246753), (67, 3052917), (87, 2351097), (189, 1082251), (201, 1017639), (203, 1007613), (261, 783699), (469, 436131), (557, 367227), (603, 339213), (609, 335871), (783, 261233), (1407, 145377), (1671, 122409), (1809, 113071), (1827, 111957), (1943, 105273), (3899, 52461), (4221, 48459), (5013, 40803), (5481, 37319), (5829, 35091), (11697, 17487), (12663, 16153), (13601, 15039)]