209958705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{151}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 407324736

約数和(自身を除く): 197366031

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 151, 159, 165, 265, 453, 477, 495, 583, 755, 795, 1359, 1661, 1749, 2265, 2385, 2809, 2915, 4983, 5247, 6795, 8003, 8305, 8427, 8745, 14045, 14949, 24009, 24915, 25281, 26235, 30899, 40015, 42135, 72027, 74745, 88033, 92697, 120045, 126405, 154495, 264099, 278091, 360135, 424159, 440165, 463485, 792297, 1272477, 1320495, 1390455, 2120795, 3817431, 3961485, 4665749, 6362385, 13997247, 19087155, 23328745, 41991741, 69986235, 209958705]

約数ペア:

[(1, 209958705), (3, 69986235), (5, 41991741), (9, 23328745), (11, 19087155), (15, 13997247), (33, 6362385), (45, 4665749), (53, 3961485), (55, 3817431), (99, 2120795), (151, 1390455), (159, 1320495), (165, 1272477), (265, 792297), (453, 463485), (477, 440165), (495, 424159), (583, 360135), (755, 278091), (795, 264099), (1359, 154495), (1661, 126405), (1749, 120045), (2265, 92697), (2385, 88033), (2809, 74745), (2915, 72027), (4983, 42135), (5247, 40015), (6795, 30899), (8003, 26235), (8305, 25281), (8427, 24915), (8745, 24009), (14045, 14949)]