12378975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 26426880

約数和(自身を除く): 14047905

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 25, 35, 51, 57, 73, 75, 85, 95, 105, 119, 133, 175, 219, 255, 285, 323, 357, 365, 399, 425, 475, 511, 525, 595, 665, 969, 1095, 1241, 1275, 1387, 1425, 1533, 1615, 1785, 1825, 1995, 2261, 2555, 2975, 3325, 3723, 4161, 4845, 5475, 6205, 6783, 6935, 7665, 8075, 8687, 8925, 9709, 9975, 11305, 12775, 18615, 20805, 23579, 24225, 26061, 29127, 31025, 33915, 34675, 38325, 43435, 48545, 56525, 70737, 93075, 104025, 117895, 130305, 145635, 165053, 169575, 217175, 242725, 353685, 495159, 589475, 651525, 728175, 825265, 1768425, 2475795, 4126325, 12378975]

約数ペア:

[(1, 12378975), (3, 4126325), (5, 2475795), (7, 1768425), (15, 825265), (17, 728175), (19, 651525), (21, 589475), (25, 495159), (35, 353685), (51, 242725), (57, 217175), (73, 169575), (75, 165053), (85, 145635), (95, 130305), (105, 117895), (119, 104025), (133, 93075), (175, 70737), (219, 56525), (255, 48545), (285, 43435), (323, 38325), (357, 34675), (365, 33915), (399, 31025), (425, 29127), (475, 26061), (511, 24225), (525, 23579), (595, 20805), (665, 18615), (969, 12775), (1095, 11305), (1241, 9975), (1275, 9709), (1387, 8925), (1425, 8687), (1533, 8075), (1615, 7665), (1785, 6935), (1825, 6783), (1995, 6205), (2261, 5475), (2555, 4845), (2975, 4161), (3325, 3723)]