30961203

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 55050240

約数和(自身を除く): 24089037

約数列:

[1, 3, 7, 13, 19, 21, 39, 47, 57, 91, 127, 133, 141, 247, 273, 329, 381, 399, 611, 741, 889, 893, 987, 1651, 1729, 1833, 2413, 2667, 2679, 4277, 4953, 5187, 5969, 6251, 7239, 11557, 11609, 12831, 16891, 17907, 18753, 31369, 34671, 34827, 41783, 50673, 77597, 81263, 94107, 113411, 125349, 219583, 232791, 243789, 340233, 543179, 658749, 793877, 1474343, 1629537, 2381631, 4423029, 10320401, 30961203]

約数ペア:

[(1, 30961203), (3, 10320401), (7, 4423029), (13, 2381631), (19, 1629537), (21, 1474343), (39, 793877), (47, 658749), (57, 543179), (91, 340233), (127, 243789), (133, 232791), (141, 219583), (247, 125349), (273, 113411), (329, 94107), (381, 81263), (399, 77597), (611, 50673), (741, 41783), (889, 34827), (893, 34671), (987, 31369), (1651, 18753), (1729, 17907), (1833, 16891), (2413, 12831), (2667, 11609), (2679, 11557), (4277, 7239), (4953, 6251), (5187, 5969)]