13660413

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 20810496

約数和(自身を除く): 7150083

約数列:

[1, 3, 13, 23, 39, 69, 97, 157, 291, 299, 471, 897, 1261, 2041, 2231, 3611, 3783, 6123, 6693, 10833, 15229, 29003, 45687, 46943, 87009, 140829, 197977, 350267, 593931, 1050801, 4553471, 13660413]

約数ペア:

[(1, 13660413), (3, 4553471), (13, 1050801), (23, 593931), (39, 350267), (69, 197977), (97, 140829), (157, 87009), (291, 46943), (299, 45687), (471, 29003), (897, 15229), (1261, 10833), (2041, 6693), (2231, 6123), (3611, 3783)]