19777275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 41976480

約数和(自身を除く): 22199205

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 45, 63, 75, 87, 105, 145, 175, 203, 225, 261, 315, 433, 435, 525, 609, 725, 1015, 1299, 1305, 1575, 1827, 2165, 2175, 3031, 3045, 3897, 5075, 6495, 6525, 9093, 9135, 10825, 12557, 15155, 15225, 19485, 27279, 32475, 37671, 45465, 45675, 62785, 75775, 87899, 97425, 113013, 136395, 188355, 227325, 263697, 313925, 439495, 565065, 681975, 791091, 941775, 1318485, 2197475, 2825325, 3955455, 6592425, 19777275]

約数ペア:

[(1, 19777275), (3, 6592425), (5, 3955455), (7, 2825325), (9, 2197475), (15, 1318485), (21, 941775), (25, 791091), (29, 681975), (35, 565065), (45, 439495), (63, 313925), (75, 263697), (87, 227325), (105, 188355), (145, 136395), (175, 113013), (203, 97425), (225, 87899), (261, 75775), (315, 62785), (433, 45675), (435, 45465), (525, 37671), (609, 32475), (725, 27279), (1015, 19485), (1299, 15225), (1305, 15155), (1575, 12557), (1827, 10825), (2165, 9135), (2175, 9093), (3031, 6525), (3045, 6495), (3897, 5075)]