3890991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 6048000

約数和(自身を除く): 2157009

約数列:

[1, 3, 13, 19, 39, 57, 59, 89, 177, 247, 267, 741, 767, 1121, 1157, 1691, 2301, 3363, 3471, 5073, 5251, 14573, 15753, 21983, 43719, 65949, 68263, 99769, 204789, 299307, 1296997, 3890991]

約数ペア:

[(1, 3890991), (3, 1296997), (13, 299307), (19, 204789), (39, 99769), (57, 68263), (59, 65949), (89, 43719), (177, 21983), (247, 15753), (267, 14573), (741, 5251), (767, 5073), (1121, 3471), (1157, 3363), (1691, 2301)]