31220085

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6961}}^1$

素因数の和:7005

約数の個数: 32

約数和(自身を含む): 56141568

約数和(自身を除く): 24921483

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 6961, 20883, 34805, 90493, 104415, 160103, 271479, 452465, 480309, 800515, 1357395, 2081339, 2401545, 6244017, 10406695, 31220085]

約数ペア:

[(1, 31220085), (3, 10406695), (5, 6244017), (13, 2401545), (15, 2081339), (23, 1357395), (39, 800515), (65, 480309), (69, 452465), (115, 271479), (195, 160103), (299, 104415), (345, 90493), (897, 34805), (1495, 20883), (4485, 6961)]