87813747

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20201}}^1$

素因数の和:20240

約数の個数: 32

約数和(自身を含む): 155151360

約数和(自身を除く): 67337613

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 20201, 60603, 141407, 181809, 424221, 464623, 545427, 1272663, 1393869, 3252361, 3817989, 4181607, 9757083, 12544821, 29271249, 87813747]

約数ペア:

[(1, 87813747), (3, 29271249), (7, 12544821), (9, 9757083), (21, 4181607), (23, 3817989), (27, 3252361), (63, 1393869), (69, 1272663), (161, 545427), (189, 464623), (207, 424221), (483, 181809), (621, 141407), (1449, 60603), (4347, 20201)]