7520055

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 12545280

約数和(自身を除く): 5025225

約数列:

[1, 3, 5, 15, 43, 89, 129, 131, 215, 267, 393, 445, 645, 655, 1335, 1965, 3827, 5633, 11481, 11659, 16899, 19135, 28165, 34977, 57405, 58295, 84495, 174885, 501337, 1504011, 2506685, 7520055]

約数ペア:

[(1, 7520055), (3, 2506685), (5, 1504011), (15, 501337), (43, 174885), (89, 84495), (129, 58295), (131, 57405), (215, 34977), (267, 28165), (393, 19135), (445, 16899), (645, 11659), (655, 11481), (1335, 5633), (1965, 3827)]