181815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 32

約数和(自身を含む): 331776

約数和(自身を除く): 149961

約数列:

[1, 3, 5, 15, 17, 23, 31, 51, 69, 85, 93, 115, 155, 255, 345, 391, 465, 527, 713, 1173, 1581, 1955, 2139, 2635, 3565, 5865, 7905, 10695, 12121, 36363, 60605, 181815]

約数ペア:

[(1, 181815), (3, 60605), (5, 36363), (15, 12121), (17, 10695), (23, 7905), (31, 5865), (51, 3565), (69, 2635), (85, 2139), (93, 1955), (115, 1581), (155, 1173), (255, 713), (345, 527), (391, 465)]