15440015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 20570112

約数和(自身を除く): 5130097

約数列:

[1, 5, 23, 31, 61, 71, 115, 155, 305, 355, 713, 1403, 1633, 1891, 2201, 3565, 4331, 7015, 8165, 9455, 11005, 21655, 43493, 50623, 99613, 134261, 217465, 253115, 498065, 671305, 3088003, 15440015]

約数ペア:

[(1, 15440015), (5, 3088003), (23, 671305), (31, 498065), (61, 253115), (71, 217465), (115, 134261), (155, 99613), (305, 50623), (355, 43493), (713, 21655), (1403, 11005), (1633, 9455), (1891, 8165), (2201, 7015), (3565, 4331)]