27879705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 56095104

約数和(自身を除く): 28215399

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 201, 315, 335, 469, 603, 1005, 1321, 1407, 2345, 3015, 3963, 4221, 6605, 7035, 9247, 11889, 19815, 21105, 27741, 46235, 59445, 83223, 88507, 138705, 265521, 416115, 442535, 619549, 796563, 1327605, 1858647, 3097745, 3982815, 5575941, 9293235, 27879705]

約数ペア:

[(1, 27879705), (3, 9293235), (5, 5575941), (7, 3982815), (9, 3097745), (15, 1858647), (21, 1327605), (35, 796563), (45, 619549), (63, 442535), (67, 416115), (105, 265521), (201, 138705), (315, 88507), (335, 83223), (469, 59445), (603, 46235), (1005, 27741), (1321, 21105), (1407, 19815), (2345, 11889), (3015, 9247), (3963, 7035), (4221, 6605)]