20808007515

素因数分解:

$3^3\times 5^1\times {\mathrm{9109}}^1\times {\mathrm{16921}}^1$

素因数の和:26044

約数の個数: 32

約数和(自身を含む): 36998260800

約数和(自身を除く): 16190253285

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 9109, 16921, 27327, 45545, 50763, 81981, 84605, 136635, 152289, 245943, 253815, 409905, 456867, 761445, 1229715, 2284335, 154133389, 462400167, 770666945, 1387200501, 2312000835, 4161601503, 6936002505, 20808007515]

約数ペア:

[(1, 20808007515), (3, 6936002505), (5, 4161601503), (9, 2312000835), (15, 1387200501), (27, 770666945), (45, 462400167), (135, 154133389), (9109, 2284335), (16921, 1229715), (27327, 761445), (45545, 456867), (50763, 409905), (81981, 253815), (84605, 245943), (136635, 152289)]