251018895

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{9967}}^1$

素因数の和:10071

約数の個数: 32

約数和(自身を含む): 424876032

約数和(自身を除く): 173857137

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 1095, 1679, 5037, 8395, 9967, 25185, 29901, 49835, 149505, 229241, 687723, 727591, 1146205, 2182773, 3438615, 3637955, 10913865, 16734593, 50203779, 83672965, 251018895]

約数ペア:

[(1, 251018895), (3, 83672965), (5, 50203779), (15, 16734593), (23, 10913865), (69, 3637955), (73, 3438615), (115, 2182773), (219, 1146205), (345, 727591), (365, 687723), (1095, 229241), (1679, 149505), (5037, 49835), (8395, 29901), (9967, 25185)]