39078921

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 64022400

約数和(自身を除く): 24943479

約数列:

[1, 3, 7, 21, 29, 49, 87, 89, 103, 147, 203, 267, 309, 609, 623, 721, 1421, 1869, 2163, 2581, 2987, 4263, 4361, 5047, 7743, 8961, 9167, 13083, 15141, 18067, 20909, 27501, 54201, 62727, 64169, 126469, 146363, 192507, 265843, 379407, 439089, 449183, 797529, 1347549, 1860901, 5582703, 13026307, 39078921]

約数ペア:

[(1, 39078921), (3, 13026307), (7, 5582703), (21, 1860901), (29, 1347549), (49, 797529), (87, 449183), (89, 439089), (103, 379407), (147, 265843), (203, 192507), (267, 146363), (309, 126469), (609, 64169), (623, 62727), (721, 54201), (1421, 27501), (1869, 20909), (2163, 18067), (2581, 15141), (2987, 13083), (4263, 9167), (4361, 8961), (5047, 7743)]