39438405

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 72334080

約数和(自身を除く): 32895675

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 435, 643, 705, 1305, 1363, 1929, 2115, 3215, 4089, 5787, 6815, 9645, 12267, 18647, 20445, 28935, 30221, 55941, 61335, 90663, 93235, 151105, 167823, 271989, 279705, 453315, 839115, 876409, 1359945, 2629227, 4382045, 7887681, 13146135, 39438405]

約数ペア:

[(1, 39438405), (3, 13146135), (5, 7887681), (9, 4382045), (15, 2629227), (29, 1359945), (45, 876409), (47, 839115), (87, 453315), (141, 279705), (145, 271989), (235, 167823), (261, 151105), (423, 93235), (435, 90663), (643, 61335), (705, 55941), (1305, 30221), (1363, 28935), (1929, 20445), (2115, 18647), (3215, 12267), (4089, 9645), (5787, 6815)]