153978645

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 254010240

約数和(自身を除く): 100031595

約数列:

[1, 3, 5, 15, 37, 111, 185, 421, 555, 659, 1263, 1977, 2105, 3295, 6315, 9885, 15577, 24383, 46731, 73149, 77885, 121915, 233655, 277439, 365745, 832317, 1387195, 4161585, 10265243, 30795729, 51326215, 153978645]

約数ペア:

[(1, 153978645), (3, 51326215), (5, 30795729), (15, 10265243), (37, 4161585), (111, 1387195), (185, 832317), (421, 365745), (555, 277439), (659, 233655), (1263, 121915), (1977, 77885), (2105, 73149), (3295, 46731), (6315, 24383), (9885, 15577)]