196780005

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{65267}}^1$

素因数の和:65345

約数の個数: 24

約数和(自身を含む): 346181472

約数和(自身を除く): 149401467

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 65267, 195801, 326335, 587403, 979005, 2937015, 4372889, 13118667, 21864445, 39356001, 65593335, 196780005]

約数ペア:

[(1, 196780005), (3, 65593335), (5, 39356001), (9, 21864445), (15, 13118667), (45, 4372889), (67, 2937015), (201, 979005), (335, 587403), (603, 326335), (1005, 195801), (3015, 65267)]