3981237

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 6128640

約数和(自身を除く): 2147403

約数列:

[1, 3, 13, 31, 37, 39, 89, 93, 111, 267, 403, 481, 1147, 1157, 1209, 1443, 2759, 3293, 3441, 3471, 8277, 9879, 14911, 35867, 42809, 44733, 102083, 107601, 128427, 306249, 1327079, 3981237]

約数ペア:

[(1, 3981237), (3, 1327079), (13, 306249), (31, 128427), (37, 107601), (39, 102083), (89, 44733), (93, 42809), (111, 35867), (267, 14911), (403, 9879), (481, 8277), (1147, 3471), (1157, 3441), (1209, 3293), (1443, 2759)]