318620253

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{10939}}^1$

素因数の和:11041

約数の個数: 32

約数和(自身を含む): 518118400

約数和(自身を除く): 199498147

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 9709, 10939, 29127, 32817, 76573, 207841, 229719, 623523, 798547, 1454887, 2395641, 4364661, 5589829, 15172393, 16769487, 45517179, 106206751, 318620253]

約数ペア:

[(1, 318620253), (3, 106206751), (7, 45517179), (19, 16769487), (21, 15172393), (57, 5589829), (73, 4364661), (133, 2395641), (219, 1454887), (399, 798547), (511, 623523), (1387, 229719), (1533, 207841), (4161, 76573), (9709, 32817), (10939, 29127)]