31870797

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 51148800

約数和(自身を除く): 19278003

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 413, 609, 887, 1239, 1711, 2661, 5133, 6209, 11977, 18627, 25723, 35931, 52333, 77169, 156999, 180061, 366331, 540183, 1098993, 1517657, 4552971, 10623599, 31870797]

約数ペア:

[(1, 31870797), (3, 10623599), (7, 4552971), (21, 1517657), (29, 1098993), (59, 540183), (87, 366331), (177, 180061), (203, 156999), (413, 77169), (609, 52333), (887, 35931), (1239, 25723), (1711, 18627), (2661, 11977), (5133, 6209)]