1280352381

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{37199}}^1$

素因数の和:37369

約数の個数: 32

約数和(自身を含む): 2142720000

約数和(自身を除く): 862367619

約数列:

[1, 3, 7, 11, 21, 33, 77, 149, 231, 447, 1043, 1639, 3129, 4917, 11473, 34419, 37199, 111597, 260393, 409189, 781179, 1227567, 2864323, 5542651, 8592969, 16627953, 38798557, 60969161, 116395671, 182907483, 426784127, 1280352381]

約数ペア:

[(1, 1280352381), (3, 426784127), (7, 182907483), (11, 116395671), (21, 60969161), (33, 38798557), (77, 16627953), (149, 8592969), (231, 5542651), (447, 2864323), (1043, 1227567), (1639, 781179), (3129, 409189), (4917, 260393), (11473, 111597), (34419, 37199)]