78450003

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{971}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 116453376

約数和(自身を除く): 38003373

約数列:

[1, 3, 9, 47, 141, 191, 423, 573, 971, 1719, 2913, 8739, 8977, 26931, 45637, 80793, 136911, 185461, 410733, 556383, 1669149, 8716667, 26150001, 78450003]

約数ペア:

[(1, 78450003), (3, 26150001), (9, 8716667), (47, 1669149), (141, 556383), (191, 410733), (423, 185461), (573, 136911), (971, 80793), (1719, 45637), (2913, 26931), (8739, 8977)]