217499631

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 312291840

約数和(自身を除く): 94792209

約数列:

[1, 3, 19, 57, 73, 167, 219, 313, 501, 939, 1387, 3173, 4161, 5947, 9519, 12191, 17841, 22849, 36573, 52271, 68547, 156813, 231629, 434131, 694887, 993149, 1302393, 2979447, 3815783, 11447349, 72499877, 217499631]

約数ペア:

[(1, 217499631), (3, 72499877), (19, 11447349), (57, 3815783), (73, 2979447), (167, 1302393), (219, 993149), (313, 694887), (501, 434131), (939, 231629), (1387, 156813), (3173, 68547), (4161, 52271), (5947, 36573), (9519, 22849), (12191, 17841)]