66512265

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 109088256

約数和(自身を除く): 42575991

約数列:

[1, 3, 5, 15, 61, 157, 183, 305, 463, 471, 785, 915, 1389, 2315, 2355, 6945, 9577, 28243, 28731, 47885, 72691, 84729, 141215, 143655, 218073, 363455, 423645, 1090365, 4434151, 13302453, 22170755, 66512265]

約数ペア:

[(1, 66512265), (3, 22170755), (5, 13302453), (15, 4434151), (61, 1090365), (157, 423645), (183, 363455), (305, 218073), (463, 143655), (471, 141215), (785, 84729), (915, 72691), (1389, 47885), (2315, 28731), (2355, 28243), (6945, 9577)]