205423905

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{487}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 335478528

約数和(自身を除く): 130054623

約数列:

[1, 3, 5, 15, 61, 183, 305, 461, 487, 915, 1383, 1461, 2305, 2435, 6915, 7305, 28121, 29707, 84363, 89121, 140605, 148535, 224507, 421815, 445605, 673521, 1122535, 3367605, 13694927, 41084781, 68474635, 205423905]

約数ペア:

[(1, 205423905), (3, 68474635), (5, 41084781), (15, 13694927), (61, 3367605), (183, 1122535), (305, 673521), (461, 445605), (487, 421815), (915, 224507), (1383, 148535), (1461, 140605), (2305, 89121), (2435, 84363), (6915, 29707), (7305, 28121)]