215528643

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{19973}}^1$

素因数の和:20099

約数の個数: 24

約数和(自身を含む): 342753840

約数和(自身を除く): 127225197

約数列:

[1, 3, 9, 11, 33, 99, 109, 327, 981, 1199, 3597, 10791, 19973, 59919, 179757, 219703, 659109, 1977327, 2177057, 6531171, 19593513, 23947627, 71842881, 215528643]

約数ペア:

[(1, 215528643), (3, 71842881), (9, 23947627), (11, 19593513), (33, 6531171), (99, 2177057), (109, 1977327), (327, 659109), (981, 219703), (1199, 179757), (3597, 59919), (10791, 19973)]