247980921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1169

約数の個数: 32

約数和(自身を含む): 360691200

約数和(自身を除く): 112710279

約数列:

[1, 3, 17, 51, 61, 79, 183, 237, 1009, 1037, 1343, 3027, 3111, 4029, 4819, 14457, 17153, 51459, 61549, 79711, 81923, 184647, 239133, 245769, 1046333, 1355087, 3138999, 4065261, 4862371, 14587113, 82660307, 247980921]

約数ペア:

[(1, 247980921), (3, 82660307), (17, 14587113), (51, 4862371), (61, 4065261), (79, 3138999), (183, 1355087), (237, 1046333), (1009, 245769), (1037, 239133), (1343, 184647), (3027, 81923), (3111, 79711), (4029, 61549), (4819, 51459), (14457, 17153)]