209230875

素因数分解:

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

素因数の和:354

約数の個数: 72

約数和(自身を含む): 433716192

約数和(自身を除く): 224485317

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 163, 175, 225, 315, 375, 489, 525, 815, 875, 1125, 1141, 1467, 1575, 2445, 2625, 3423, 4075, 5705, 7335, 7875, 10269, 12225, 17115, 20375, 26569, 28525, 36675, 51345, 61125, 79707, 85575, 132845, 142625, 183375, 185983, 239121, 256725, 398535, 427875, 557949, 664225, 929915, 1195605, 1283625, 1673847, 1992675, 2789745, 3321125, 4649575, 5978025, 8369235, 9963375, 13948725, 23247875, 29890125, 41846175, 69743625, 209230875]

約数ペア:

[(1, 209230875), (3, 69743625), (5, 41846175), (7, 29890125), (9, 23247875), (15, 13948725), (21, 9963375), (25, 8369235), (35, 5978025), (45, 4649575), (63, 3321125), (75, 2789745), (105, 1992675), (125, 1673847), (163, 1283625), (175, 1195605), (225, 929915), (315, 664225), (375, 557949), (489, 427875), (525, 398535), (815, 256725), (875, 239121), (1125, 185983), (1141, 183375), (1467, 142625), (1575, 132845), (2445, 85575), (2625, 79707), (3423, 61125), (4075, 51345), (5705, 36675), (7335, 28525), (7875, 26569), (10269, 20375), (12225, 17115)]