291287157

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31741}}^1$

素因数の和:31793

約数の個数: 32

約数和(自身を含む): 487557120

約数和(自身を除く): 196269963

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 9177, 31741, 95223, 222187, 603079, 666561, 730043, 1809237, 2190129, 4221553, 5110301, 12664659, 13870817, 15330903, 41612451, 97095719, 291287157]

約数ペア:

[(1, 291287157), (3, 97095719), (7, 41612451), (19, 15330903), (21, 13870817), (23, 12664659), (57, 5110301), (69, 4221553), (133, 2190129), (161, 1809237), (399, 730043), (437, 666561), (483, 603079), (1311, 222187), (3059, 95223), (9177, 31741)]