201717075

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 391849920

約数和(自身を除く): 190132845

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 131, 147, 175, 245, 393, 419, 525, 655, 735, 917, 1225, 1257, 1965, 2095, 2751, 2933, 3275, 3675, 4585, 6285, 6419, 8799, 9825, 10475, 13755, 14665, 19257, 20531, 22925, 31425, 32095, 43995, 54889, 61593, 68775, 73325, 96285, 102655, 160475, 164667, 219975, 274445, 307965, 384223, 481425, 513275, 823335, 1152669, 1372225, 1539825, 1921115, 2689561, 4116675, 5763345, 8068683, 9605575, 13447805, 28816725, 40343415, 67239025, 201717075]

約数ペア:

[(1, 201717075), (3, 67239025), (5, 40343415), (7, 28816725), (15, 13447805), (21, 9605575), (25, 8068683), (35, 5763345), (49, 4116675), (75, 2689561), (105, 1921115), (131, 1539825), (147, 1372225), (175, 1152669), (245, 823335), (393, 513275), (419, 481425), (525, 384223), (655, 307965), (735, 274445), (917, 219975), (1225, 164667), (1257, 160475), (1965, 102655), (2095, 96285), (2751, 73325), (2933, 68775), (3275, 61593), (3675, 54889), (4585, 43995), (6285, 32095), (6419, 31425), (8799, 22925), (9825, 20531), (10475, 19257), (13755, 14665)]