291287271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{773}}^1$

素因数の和:1407

約数の個数: 32

約数和(自身を含む): 447310080

約数和(自身を除く): 156022809

約数列:

[1, 3, 11, 19, 33, 57, 209, 601, 627, 773, 1803, 2319, 6611, 8503, 11419, 14687, 19833, 25509, 34257, 44061, 125609, 161557, 376827, 464573, 484671, 1393719, 5110303, 8826887, 15330909, 26480661, 97095757, 291287271]

約数ペア:

[(1, 291287271), (3, 97095757), (11, 26480661), (19, 15330909), (33, 8826887), (57, 5110303), (209, 1393719), (601, 484671), (627, 464573), (773, 376827), (1803, 161557), (2319, 125609), (6611, 44061), (8503, 34257), (11419, 25509), (14687, 19833)]