28758855

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 49582080

約数和(自身を除く): 20823225

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 2689, 3565, 8067, 10695, 13445, 40335, 61847, 83359, 185541, 250077, 309235, 416795, 927705, 1250385, 1917257, 5751771, 9586285, 28758855]

約数ペア:

[(1, 28758855), (3, 9586285), (5, 5751771), (15, 1917257), (23, 1250385), (31, 927705), (69, 416795), (93, 309235), (115, 250077), (155, 185541), (345, 83359), (465, 61847), (713, 40335), (2139, 13445), (2689, 10695), (3565, 8067)]