161784

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{107}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 518400

約数和(自身を除く): 356616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 107, 108, 126, 168, 189, 214, 216, 252, 321, 378, 428, 504, 642, 749, 756, 856, 963, 1284, 1498, 1512, 1926, 2247, 2568, 2889, 2996, 3852, 4494, 5778, 5992, 6741, 7704, 8988, 11556, 13482, 17976, 20223, 23112, 26964, 40446, 53928, 80892, 161784]

約数ペア:

[(1, 161784), (2, 80892), (3, 53928), (4, 40446), (6, 26964), (7, 23112), (8, 20223), (9, 17976), (12, 13482), (14, 11556), (18, 8988), (21, 7704), (24, 6741), (27, 5992), (28, 5778), (36, 4494), (42, 3852), (54, 2996), (56, 2889), (63, 2568), (72, 2247), (84, 1926), (107, 1512), (108, 1498), (126, 1284), (168, 963), (189, 856), (214, 756), (216, 749), (252, 642), (321, 504), (378, 428)]