51288465

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 84750336

約数和(自身を除く): 33461871

約数列:

[1, 3, 5, 15, 43, 129, 131, 215, 393, 607, 645, 655, 1821, 1965, 3035, 5633, 9105, 16899, 26101, 28165, 78303, 79517, 84495, 130505, 238551, 391515, 397585, 1192755, 3419231, 10257693, 17096155, 51288465]

約数ペア:

[(1, 51288465), (3, 17096155), (5, 10257693), (15, 3419231), (43, 1192755), (129, 397585), (131, 391515), (215, 238551), (393, 130505), (607, 84495), (645, 79517), (655, 78303), (1821, 28165), (1965, 26101), (3035, 16899), (5633, 9105)]