215638635

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{15991}}^1$

素因数の和:16059

約数の個数: 32

約数和(自身を含む): 368455680

約数和(自身を除く): 152817045

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 2697, 4495, 13485, 15991, 47973, 79955, 239865, 463739, 495721, 1391217, 1487163, 2318695, 2478605, 6956085, 7435815, 14375909, 43127727, 71879545, 215638635]

約数ペア:

[(1, 215638635), (3, 71879545), (5, 43127727), (15, 14375909), (29, 7435815), (31, 6956085), (87, 2478605), (93, 2318695), (145, 1487163), (155, 1391217), (435, 495721), (465, 463739), (899, 239865), (2697, 79955), (4495, 47973), (13485, 15991)]