248864985

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 440154000

約数和(自身を除く): 191289015

約数列:

[1, 3, 5, 9, 15, 45, 109, 113, 327, 339, 449, 545, 565, 981, 1017, 1347, 1635, 1695, 2245, 4041, 4905, 5085, 6735, 12317, 20205, 36951, 48941, 50737, 61585, 110853, 146823, 152211, 184755, 244705, 253685, 440469, 456633, 554265, 734115, 761055, 2202345, 2283165, 5530333, 16590999, 27651665, 49772997, 82954995, 248864985]

約数ペア:

[(1, 248864985), (3, 82954995), (5, 49772997), (9, 27651665), (15, 16590999), (45, 5530333), (109, 2283165), (113, 2202345), (327, 761055), (339, 734115), (449, 554265), (545, 456633), (565, 440469), (981, 253685), (1017, 244705), (1347, 184755), (1635, 152211), (1695, 146823), (2245, 110853), (4041, 61585), (4905, 50737), (5085, 48941), (6735, 36951), (12317, 20205)]