201719775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{347}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 350049024

約数和(自身を除く): 148329249

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 337, 345, 347, 575, 1011, 1041, 1685, 1725, 1735, 5055, 5205, 7751, 7981, 8425, 8675, 23253, 23943, 25275, 26025, 38755, 39905, 116265, 116939, 119715, 193775, 199525, 350817, 581325, 584695, 598575, 1754085, 2689597, 2923475, 8068791, 8770425, 13447985, 40343955, 67239925, 201719775]

約数ペア:

[(1, 201719775), (3, 67239925), (5, 40343955), (15, 13447985), (23, 8770425), (25, 8068791), (69, 2923475), (75, 2689597), (115, 1754085), (337, 598575), (345, 584695), (347, 581325), (575, 350817), (1011, 199525), (1041, 193775), (1685, 119715), (1725, 116939), (1735, 116265), (5055, 39905), (5205, 38755), (7751, 26025), (7981, 25275), (8425, 23943), (8675, 23253)]