31571169

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 50872320

約数和(自身を除く): 19301151

約数列:

[1, 3, 7, 21, 29, 47, 87, 141, 203, 329, 609, 987, 1103, 1363, 3309, 4089, 7721, 9541, 23163, 28623, 31987, 51841, 95961, 155523, 223909, 362887, 671727, 1088661, 1503389, 4510167, 10523723, 31571169]

約数ペア:

[(1, 31571169), (3, 10523723), (7, 4510167), (21, 1503389), (29, 1088661), (47, 671727), (87, 362887), (141, 223909), (203, 155523), (329, 95961), (609, 51841), (987, 31987), (1103, 28623), (1363, 23163), (3309, 9541), (4089, 7721)]