90270639

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 138776000

約数和(自身を除く): 48505361

約数列:

[1, 3, 9, 27, 37, 109, 111, 327, 333, 829, 981, 999, 2487, 2943, 4033, 7461, 12099, 22383, 30673, 36297, 90361, 92019, 108891, 271083, 276057, 813249, 828171, 2439747, 3343357, 10030071, 30090213, 90270639]

約数ペア:

[(1, 90270639), (3, 30090213), (9, 10030071), (27, 3343357), (37, 2439747), (109, 828171), (111, 813249), (327, 276057), (333, 271083), (829, 108891), (981, 92019), (999, 90361), (2487, 36297), (2943, 30673), (4033, 22383), (7461, 12099)]