97720725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 167237312

約数和(自身を除く): 69516587

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 157, 193, 215, 471, 579, 645, 785, 965, 1075, 2355, 2895, 3225, 3925, 4825, 6751, 8299, 11775, 14475, 20253, 24897, 30301, 33755, 41495, 90903, 101265, 124485, 151505, 168775, 207475, 454515, 506325, 622425, 757525, 1302943, 2272575, 3908829, 6514715, 19544145, 32573575, 97720725]

約数ペア:

[(1, 97720725), (3, 32573575), (5, 19544145), (15, 6514715), (25, 3908829), (43, 2272575), (75, 1302943), (129, 757525), (157, 622425), (193, 506325), (215, 454515), (471, 207475), (579, 168775), (645, 151505), (785, 124485), (965, 101265), (1075, 90903), (2355, 41495), (2895, 33755), (3225, 30301), (3925, 24897), (4825, 20253), (6751, 14475), (8299, 11775)]