3221985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 5902848

約数和(自身を除く): 2680863

約数列:

[1, 3, 5, 13, 15, 31, 39, 41, 65, 93, 123, 155, 169, 195, 205, 403, 465, 507, 533, 615, 845, 1209, 1271, 1599, 2015, 2535, 2665, 3813, 5239, 6045, 6355, 6929, 7995, 15717, 16523, 19065, 20787, 26195, 34645, 49569, 78585, 82615, 103935, 214799, 247845, 644397, 1073995, 3221985]

約数ペア:

[(1, 3221985), (3, 1073995), (5, 644397), (13, 247845), (15, 214799), (31, 103935), (39, 82615), (41, 78585), (65, 49569), (93, 34645), (123, 26195), (155, 20787), (169, 19065), (195, 16523), (205, 15717), (403, 7995), (465, 6929), (507, 6355), (533, 6045), (615, 5239), (845, 3813), (1209, 2665), (1271, 2535), (1599, 2015)]