209217315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1\times {\mathrm{1051}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 350240256

約数和(自身を除く): 141022941

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 577, 1051, 1731, 2885, 3153, 5255, 8655, 13271, 15765, 24173, 39813, 66355, 72519, 120865, 199065, 362595, 606427, 1819281, 3032135, 9096405, 13947821, 41843463, 69739105, 209217315]

約数ペア:

[(1, 209217315), (3, 69739105), (5, 41843463), (15, 13947821), (23, 9096405), (69, 3032135), (115, 1819281), (345, 606427), (577, 362595), (1051, 199065), (1731, 120865), (2885, 72519), (3153, 66355), (5255, 39813), (8655, 24173), (13271, 15765)]