315070847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 402597888

約数和(自身を除く): 87527041

約数列:

[1, 7, 13, 43, 73, 91, 301, 511, 559, 949, 1103, 3139, 3913, 6643, 7721, 14339, 21973, 40807, 47429, 80519, 100373, 285649, 332003, 563633, 616577, 1046747, 3462317, 4316039, 7327229, 24236219, 45010121, 315070847]

約数ペア:

[(1, 315070847), (7, 45010121), (13, 24236219), (43, 7327229), (73, 4316039), (91, 3462317), (301, 1046747), (511, 616577), (559, 563633), (949, 332003), (1103, 285649), (3139, 100373), (3913, 80519), (6643, 47429), (7721, 40807), (14339, 21973)]