213478741

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 272332800

約数和(自身を除く): 58854059

約数列:

[1, 7, 17, 31, 49, 119, 217, 343, 527, 833, 1181, 1519, 3689, 5831, 8267, 10633, 20077, 25823, 36611, 57869, 140539, 180761, 256277, 405083, 622387, 983773, 1793939, 4356709, 6886411, 12557573, 30496963, 213478741]

約数ペア:

[(1, 213478741), (7, 30496963), (17, 12557573), (31, 6886411), (49, 4356709), (119, 1793939), (217, 983773), (343, 622387), (527, 405083), (833, 256277), (1181, 180761), (1519, 140539), (3689, 57869), (5831, 36611), (8267, 25823), (10633, 20077)]