201871425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{337}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 391793376

約数和(自身を除く): 189921951

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 163, 175, 245, 337, 489, 525, 735, 815, 1011, 1141, 1225, 1685, 2359, 2445, 3423, 3675, 4075, 5055, 5705, 7077, 7987, 8425, 11795, 12225, 16513, 17115, 23961, 25275, 28525, 35385, 39935, 49539, 54931, 58975, 82565, 85575, 119805, 164793, 176925, 199675, 247695, 274655, 384517, 412825, 599025, 823965, 1153551, 1238475, 1373275, 1922585, 2691619, 4119825, 5767755, 8074857, 9612925, 13458095, 28838775, 40374285, 67290475, 201871425]

約数ペア:

[(1, 201871425), (3, 67290475), (5, 40374285), (7, 28838775), (15, 13458095), (21, 9612925), (25, 8074857), (35, 5767755), (49, 4119825), (75, 2691619), (105, 1922585), (147, 1373275), (163, 1238475), (175, 1153551), (245, 823965), (337, 599025), (489, 412825), (525, 384517), (735, 274655), (815, 247695), (1011, 199675), (1141, 176925), (1225, 164793), (1685, 119805), (2359, 85575), (2445, 82565), (3423, 58975), (3675, 54931), (4075, 49539), (5055, 39935), (5705, 35385), (7077, 28525), (7987, 25275), (8425, 23961), (11795, 17115), (12225, 16513)]