61816545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 129841920

約数和(自身を除く): 68025375

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 67, 87, 101, 105, 145, 201, 203, 261, 303, 315, 335, 435, 469, 505, 603, 609, 707, 909, 1005, 1015, 1305, 1407, 1515, 1827, 1943, 2121, 2345, 2929, 3015, 3045, 3535, 4221, 4545, 5829, 6363, 6767, 7035, 8787, 9135, 9715, 10605, 13601, 14645, 17487, 20301, 20503, 21105, 26361, 29145, 31815, 33835, 40803, 43935, 47369, 60903, 61509, 68005, 87435, 101505, 102515, 122409, 131805, 142107, 184527, 196243, 204015, 236845, 304515, 307545, 426321, 588729, 612045, 710535, 922635, 981215, 1373701, 1766187, 2131605, 2943645, 4121103, 6868505, 8830935, 12363309, 20605515, 61816545]

約数ペア:

[(1, 61816545), (3, 20605515), (5, 12363309), (7, 8830935), (9, 6868505), (15, 4121103), (21, 2943645), (29, 2131605), (35, 1766187), (45, 1373701), (63, 981215), (67, 922635), (87, 710535), (101, 612045), (105, 588729), (145, 426321), (201, 307545), (203, 304515), (261, 236845), (303, 204015), (315, 196243), (335, 184527), (435, 142107), (469, 131805), (505, 122409), (603, 102515), (609, 101505), (707, 87435), (909, 68005), (1005, 61509), (1015, 60903), (1305, 47369), (1407, 43935), (1515, 40803), (1827, 33835), (1943, 31815), (2121, 29145), (2345, 26361), (2929, 21105), (3015, 20503), (3045, 20301), (3535, 17487), (4221, 14645), (4545, 13601), (5829, 10605), (6363, 9715), (6767, 9135), (7035, 8787)]