216678

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:97

約数の個数: 48

約数和(自身を含む): 558144

約数和(自身を除く): 341466

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 67, 77, 98, 134, 147, 154, 201, 231, 294, 402, 462, 469, 539, 737, 938, 1078, 1407, 1474, 1617, 2211, 2814, 3234, 3283, 4422, 5159, 6566, 9849, 10318, 15477, 19698, 30954, 36113, 72226, 108339, 216678]

約数ペア:

[(1, 216678), (2, 108339), (3, 72226), (6, 36113), (7, 30954), (11, 19698), (14, 15477), (21, 10318), (22, 9849), (33, 6566), (42, 5159), (49, 4422), (66, 3283), (67, 3234), (77, 2814), (98, 2211), (134, 1617), (147, 1474), (154, 1407), (201, 1078), (231, 938), (294, 737), (402, 539), (462, 469)]