87870213

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6701}}^1$

素因数の和:6785

約数の個数: 24

約数和(自身を含む): 133825536

約数和(自身を除く): 45955323

約数列:

[1, 3, 9, 31, 47, 93, 141, 279, 423, 1457, 4371, 6701, 13113, 20103, 60309, 207731, 314947, 623193, 944841, 1869579, 2834523, 9763357, 29290071, 87870213]

約数ペア:

[(1, 87870213), (3, 29290071), (9, 9763357), (31, 2834523), (47, 1869579), (93, 944841), (141, 623193), (279, 314947), (423, 207731), (1457, 60309), (4371, 20103), (6701, 13113)]