1285381515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109721}}^1$

素因数の和:109811

約数の個数: 32

約数和(自身を含む): 2275195392

約数和(自身を除く): 989813877

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905, 11715, 109721, 329163, 548605, 1206931, 1645815, 3620793, 6034655, 7790191, 18103965, 23370573, 38950955, 85692101, 116852865, 257076303, 428460505, 1285381515]

約数ペア:

[(1, 1285381515), (3, 428460505), (5, 257076303), (11, 116852865), (15, 85692101), (33, 38950955), (55, 23370573), (71, 18103965), (165, 7790191), (213, 6034655), (355, 3620793), (781, 1645815), (1065, 1206931), (2343, 548605), (3905, 329163), (11715, 109721)]