207942195

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 361304064

約数和(自身を除く): 153361869

約数列:

[1, 3, 5, 15, 23, 43, 69, 107, 115, 129, 131, 215, 321, 345, 393, 535, 645, 655, 989, 1605, 1965, 2461, 2967, 3013, 4601, 4945, 5633, 7383, 9039, 12305, 13803, 14017, 14835, 15065, 16899, 23005, 28165, 36915, 42051, 45195, 69015, 70085, 84495, 105823, 129559, 210255, 317469, 322391, 388677, 529115, 602731, 647795, 967173, 1587345, 1611955, 1808193, 1943385, 3013655, 4835865, 9040965, 13862813, 41588439, 69314065, 207942195]

約数ペア:

[(1, 207942195), (3, 69314065), (5, 41588439), (15, 13862813), (23, 9040965), (43, 4835865), (69, 3013655), (107, 1943385), (115, 1808193), (129, 1611955), (131, 1587345), (215, 967173), (321, 647795), (345, 602731), (393, 529115), (535, 388677), (645, 322391), (655, 317469), (989, 210255), (1605, 129559), (1965, 105823), (2461, 84495), (2967, 70085), (3013, 69015), (4601, 45195), (4945, 42051), (5633, 36915), (7383, 28165), (9039, 23005), (12305, 16899), (13803, 15065), (14017, 14835)]