193257813

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{42409}}^1$

素因数の和:42457

約数の個数: 24

約数和(自身を含む): 309423360

約数和(自身を除く): 116165547

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 42409, 127227, 296863, 890589, 1314679, 2078041, 3944037, 6234123, 9202753, 27608259, 64419271, 193257813]

約数ペア:

[(1, 193257813), (3, 64419271), (7, 27608259), (21, 9202753), (31, 6234123), (49, 3944037), (93, 2078041), (147, 1314679), (217, 890589), (651, 296863), (1519, 127227), (4557, 42409)]