1390862109

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1871}}^1$

素因数の和:2290

約数の個数: 48

約数和(自身を含む): 2330415360

約数和(自身を除く): 939553251

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 389, 637, 1167, 1871, 1911, 2723, 5057, 5613, 8169, 13097, 15171, 19061, 24323, 35399, 39291, 57183, 72969, 91679, 106197, 170261, 247793, 275037, 510783, 727819, 743379, 1191827, 2183457, 3575481, 5094733, 9461647, 15284199, 28384941, 35663131, 66231529, 106989393, 198694587, 463620703, 1390862109]

約数ペア:

[(1, 1390862109), (3, 463620703), (7, 198694587), (13, 106989393), (21, 66231529), (39, 35663131), (49, 28384941), (91, 15284199), (147, 9461647), (273, 5094733), (389, 3575481), (637, 2183457), (1167, 1191827), (1871, 743379), (1911, 727819), (2723, 510783), (5057, 275037), (5613, 247793), (8169, 170261), (13097, 106197), (15171, 91679), (19061, 72969), (24323, 57183), (35399, 39291)]