81605646

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6449}}^1$

素因数の和:6513

約数の個数: 48

約数和(自身を含む): 191178000

約数和(自身を除く): 109572354

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 2109, 4218, 6327, 6449, 12654, 12898, 19347, 38694, 58041, 116082, 122531, 238613, 245062, 367593, 477226, 715839, 735186, 1102779, 1431678, 2147517, 2205558, 4295034, 4533647, 9067294, 13600941, 27201882, 40802823, 81605646]

約数ペア:

[(1, 81605646), (2, 40802823), (3, 27201882), (6, 13600941), (9, 9067294), (18, 4533647), (19, 4295034), (37, 2205558), (38, 2147517), (57, 1431678), (74, 1102779), (111, 735186), (114, 715839), (171, 477226), (222, 367593), (333, 245062), (342, 238613), (666, 122531), (703, 116082), (1406, 58041), (2109, 38694), (4218, 19347), (6327, 12898), (6449, 12654)]