71999565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3331}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 126669312

約数和(自身を除く): 54669747

約数列:

[1, 3, 5, 11, 15, 33, 55, 131, 165, 393, 655, 1441, 1965, 3331, 4323, 7205, 9993, 16655, 21615, 36641, 49965, 109923, 183205, 436361, 549615, 1309083, 2181805, 4799971, 6545415, 14399913, 23999855, 71999565]

約数ペア:

[(1, 71999565), (3, 23999855), (5, 14399913), (11, 6545415), (15, 4799971), (33, 2181805), (55, 1309083), (131, 549615), (165, 436361), (393, 183205), (655, 109923), (1441, 49965), (1965, 36641), (3331, 21615), (4323, 16655), (7205, 9993)]