2187185

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 64

約数和(自身を含む): 3870720

約数和(自身を除く): 1683535

約数列:

[1, 5, 7, 11, 13, 19, 23, 35, 55, 65, 77, 91, 95, 115, 133, 143, 161, 209, 247, 253, 299, 385, 437, 455, 665, 715, 805, 1001, 1045, 1235, 1265, 1463, 1495, 1729, 1771, 2093, 2185, 2717, 3059, 3289, 4807, 5005, 5681, 7315, 8645, 8855, 10465, 13585, 15295, 16445, 19019, 23023, 24035, 28405, 33649, 39767, 62491, 95095, 115115, 168245, 198835, 312455, 437437, 2187185]

約数ペア:

[(1, 2187185), (5, 437437), (7, 312455), (11, 198835), (13, 168245), (19, 115115), (23, 95095), (35, 62491), (55, 39767), (65, 33649), (77, 28405), (91, 24035), (95, 23023), (115, 19019), (133, 16445), (143, 15295), (161, 13585), (209, 10465), (247, 8855), (253, 8645), (299, 7315), (385, 5681), (437, 5005), (455, 4807), (665, 3289), (715, 3059), (805, 2717), (1001, 2185), (1045, 2093), (1235, 1771), (1265, 1729), (1463, 1495)]