291775131

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 464375808

約数和(自身を除く): 172600677

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 227, 271, 279, 527, 681, 813, 1581, 2043, 2439, 3859, 4607, 4743, 7037, 8401, 11577, 13821, 21111, 25203, 34731, 41463, 61517, 63333, 75609, 119629, 142817, 184551, 358887, 428451, 553653, 1045789, 1076661, 1285353, 1907027, 3137367, 5721081, 9412101, 17163243, 32419459, 97258377, 291775131]

約数ペア:

[(1, 291775131), (3, 97258377), (9, 32419459), (17, 17163243), (31, 9412101), (51, 5721081), (93, 3137367), (153, 1907027), (227, 1285353), (271, 1076661), (279, 1045789), (527, 553653), (681, 428451), (813, 358887), (1581, 184551), (2043, 142817), (2439, 119629), (3859, 75609), (4607, 63333), (4743, 61517), (7037, 41463), (8401, 34731), (11577, 25203), (13821, 21111)]