218904225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{6679}}^1$

素因数の和:6734

約数の個数: 48

約数和(自身を含む): 397593600

約数和(自身を除く): 178689375

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 1311, 1425, 1725, 2185, 6555, 6679, 10925, 20037, 32775, 33395, 100185, 126901, 153617, 166975, 380703, 460851, 500925, 634505, 768085, 1903515, 2304255, 2918723, 3172525, 3840425, 8756169, 9517575, 11521275, 14593615, 43780845, 72968075, 218904225]

約数ペア:

[(1, 218904225), (3, 72968075), (5, 43780845), (15, 14593615), (19, 11521275), (23, 9517575), (25, 8756169), (57, 3840425), (69, 3172525), (75, 2918723), (95, 2304255), (115, 1903515), (285, 768085), (345, 634505), (437, 500925), (475, 460851), (575, 380703), (1311, 166975), (1425, 153617), (1725, 126901), (2185, 100185), (6555, 33395), (6679, 32775), (10925, 20037)]