287483205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{5573}}^1$

素因数の和:5781

約数の個数: 32

約数和(自身を含む): 486944640

約数和(自身を除く): 199461435

約数列:

[1, 3, 5, 15, 19, 57, 95, 181, 285, 543, 905, 2715, 3439, 5573, 10317, 16719, 17195, 27865, 51585, 83595, 105887, 317661, 529435, 1008713, 1588305, 3026139, 5043565, 15130695, 19165547, 57496641, 95827735, 287483205]

約数ペア:

[(1, 287483205), (3, 95827735), (5, 57496641), (15, 19165547), (19, 15130695), (57, 5043565), (95, 3026139), (181, 1588305), (285, 1008713), (543, 529435), (905, 317661), (2715, 105887), (3439, 83595), (5573, 51585), (10317, 27865), (16719, 17195)]