2191791

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 3571200

約数和(自身を除く): 1379409

約数列:

[1, 3, 7, 21, 29, 59, 61, 87, 177, 183, 203, 413, 427, 609, 1239, 1281, 1711, 1769, 3599, 5133, 5307, 10797, 11977, 12383, 25193, 35931, 37149, 75579, 104371, 313113, 730597, 2191791]

約数ペア:

[(1, 2191791), (3, 730597), (7, 313113), (21, 104371), (29, 75579), (59, 37149), (61, 35931), (87, 25193), (177, 12383), (183, 11977), (203, 10797), (413, 5307), (427, 5133), (609, 3599), (1239, 1769), (1281, 1711)]