13265715

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 22023936

約数和(自身を除く): 8758221

約数列:

[1, 3, 5, 15, 43, 129, 131, 157, 215, 393, 471, 645, 655, 785, 1965, 2355, 5633, 6751, 16899, 20253, 20567, 28165, 33755, 61701, 84495, 101265, 102835, 308505, 884381, 2653143, 4421905, 13265715]

約数ペア:

[(1, 13265715), (3, 4421905), (5, 2653143), (15, 884381), (43, 308505), (129, 102835), (131, 101265), (157, 84495), (215, 61701), (393, 33755), (471, 28165), (645, 20567), (655, 20253), (785, 16899), (1965, 6751), (2355, 5633)]