172390933

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{947}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 216599040

約数和(自身を除く): 44208107

約数列:

[1, 11, 13, 19, 67, 143, 209, 247, 737, 871, 947, 1273, 2717, 9581, 10417, 12311, 14003, 16549, 17993, 63449, 135421, 182039, 197923, 233909, 697939, 824837, 1205531, 2572999, 9073207, 13260841, 15671903, 172390933]

約数ペア:

[(1, 172390933), (11, 15671903), (13, 13260841), (19, 9073207), (67, 2572999), (143, 1205531), (209, 824837), (247, 697939), (737, 233909), (871, 197923), (947, 182039), (1273, 135421), (2717, 63449), (9581, 17993), (10417, 16549), (12311, 14003)]