66815805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 129576960

約数和(自身を除く): 62761155

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 73, 105, 115, 161, 219, 345, 365, 379, 483, 511, 805, 1095, 1137, 1533, 1679, 1895, 2415, 2555, 2653, 5037, 5685, 7665, 7959, 8395, 8717, 11753, 13265, 25185, 26151, 27667, 35259, 39795, 43585, 58765, 61019, 83001, 130755, 138335, 176295, 183057, 193669, 305095, 415005, 581007, 636341, 915285, 968345, 1909023, 2905035, 3181705, 4454387, 9545115, 13363161, 22271935, 66815805]

約数ペア:

[(1, 66815805), (3, 22271935), (5, 13363161), (7, 9545115), (15, 4454387), (21, 3181705), (23, 2905035), (35, 1909023), (69, 968345), (73, 915285), (105, 636341), (115, 581007), (161, 415005), (219, 305095), (345, 193669), (365, 183057), (379, 176295), (483, 138335), (511, 130755), (805, 83001), (1095, 61019), (1137, 58765), (1533, 43585), (1679, 39795), (1895, 35259), (2415, 27667), (2555, 26151), (2653, 25185), (5037, 13265), (5685, 11753), (7665, 8717), (7959, 8395)]