65691315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 123428448

約数和(自身を除く): 57737133

約数列:

[1, 3, 5, 9, 15, 17, 43, 45, 51, 85, 129, 153, 215, 255, 387, 645, 731, 765, 1935, 1997, 2193, 3655, 5991, 6579, 9985, 10965, 17973, 29955, 32895, 33949, 85871, 89865, 101847, 169745, 257613, 305541, 429355, 509235, 772839, 1288065, 1459807, 1527705, 3864195, 4379421, 7299035, 13138263, 21897105, 65691315]

約数ペア:

[(1, 65691315), (3, 21897105), (5, 13138263), (9, 7299035), (15, 4379421), (17, 3864195), (43, 1527705), (45, 1459807), (51, 1288065), (85, 772839), (129, 509235), (153, 429355), (215, 305541), (255, 257613), (387, 169745), (645, 101847), (731, 89865), (765, 85871), (1935, 33949), (1997, 32895), (2193, 29955), (3655, 17973), (5991, 10965), (6579, 9985)]