219637275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20479}}^1$

素因数の和:20516

約数の個数: 48

約数和(自身を含む): 426639360

約数和(自身を除く): 207002085

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575, 10725, 20479, 61437, 102395, 225269, 266227, 307185, 511975, 675807, 798681, 1126345, 1331135, 1535925, 2928497, 3379035, 3993405, 5631725, 6655675, 8785491, 14642485, 16895175, 19967025, 43927455, 73212425, 219637275]

約数ペア:

[(1, 219637275), (3, 73212425), (5, 43927455), (11, 19967025), (13, 16895175), (15, 14642485), (25, 8785491), (33, 6655675), (39, 5631725), (55, 3993405), (65, 3379035), (75, 2928497), (143, 1535925), (165, 1331135), (195, 1126345), (275, 798681), (325, 675807), (429, 511975), (715, 307185), (825, 266227), (975, 225269), (2145, 102395), (3575, 61437), (10725, 20479)]