127697619

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 201369600

約数和(自身を除く): 73671981

約数列:

[1, 3, 7, 21, 37, 111, 149, 259, 447, 777, 1043, 1103, 3129, 3309, 5513, 7721, 16539, 23163, 38591, 40811, 115773, 122433, 164347, 285677, 493041, 857031, 1150429, 3451287, 6080839, 18242517, 42565873, 127697619]

約数ペア:

[(1, 127697619), (3, 42565873), (7, 18242517), (21, 6080839), (37, 3451287), (111, 1150429), (149, 857031), (259, 493041), (447, 285677), (777, 164347), (1043, 122433), (1103, 115773), (3129, 40811), (3309, 38591), (5513, 23163), (7721, 16539)]