127779519

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 199051776

約数和(自身を除く): 71272257

約数列:

[1, 3, 7, 21, 67, 197, 201, 461, 469, 591, 1379, 1383, 1407, 3227, 4137, 9681, 13199, 30887, 39597, 90817, 92393, 92661, 216209, 272451, 277179, 635719, 648627, 1907157, 6084739, 18254217, 42593173, 127779519]

約数ペア:

[(1, 127779519), (3, 42593173), (7, 18254217), (21, 6084739), (67, 1907157), (197, 648627), (201, 635719), (461, 277179), (469, 272451), (591, 216209), (1379, 92661), (1383, 92393), (1407, 90817), (3227, 39597), (4137, 30887), (9681, 13199)]