215390015

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{33893}}^1$

素因数の和:33970

約数の個数: 16

約数和(自身を含む): 273321216

約数和(自身を除く): 57931201

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 33893, 169465, 1050683, 1389613, 5253415, 6948065, 43078003, 215390015]

約数ペア:

[(1, 215390015), (5, 43078003), (31, 6948065), (41, 5253415), (155, 1389613), (205, 1050683), (1271, 169465), (6355, 33893)]