23987901

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 40875840

約数和(自身を除く): 16887939

約数列:

[1, 3, 7, 17, 21, 29, 49, 51, 87, 119, 147, 203, 331, 357, 493, 609, 833, 993, 1421, 1479, 2317, 2499, 3451, 4263, 5627, 6951, 9599, 10353, 16219, 16881, 24157, 28797, 39389, 48657, 67193, 72471, 118167, 163183, 201579, 275723, 470351, 489549, 827169, 1142281, 1411053, 3426843, 7995967, 23987901]

約数ペア:

[(1, 23987901), (3, 7995967), (7, 3426843), (17, 1411053), (21, 1142281), (29, 827169), (49, 489549), (51, 470351), (87, 275723), (119, 201579), (147, 163183), (203, 118167), (331, 72471), (357, 67193), (493, 48657), (609, 39389), (833, 28797), (993, 24157), (1421, 16881), (1479, 16219), (2317, 10353), (2499, 9599), (3451, 6951), (4263, 5627)]