212748753

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{1163}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 336125952

約数和(自身を除く): 123377199

約数列:

[1, 3, 7, 21, 31, 93, 217, 281, 651, 843, 1163, 1967, 3489, 5901, 8141, 8711, 24423, 26133, 36053, 60977, 108159, 182931, 252371, 326803, 757113, 980409, 2287621, 6862863, 10130893, 30392679, 70916251, 212748753]

約数ペア:

[(1, 212748753), (3, 70916251), (7, 30392679), (21, 10130893), (31, 6862863), (93, 2287621), (217, 980409), (281, 757113), (651, 326803), (843, 252371), (1163, 182931), (1967, 108159), (3489, 60977), (5901, 36053), (8141, 26133), (8711, 24423)]