1615221

素因数分解:

$3^5\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 36

約数和(自身を含む): 2681952

約数和(自身を除く): 1066731

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 243, 289, 391, 459, 621, 867, 1173, 1377, 1863, 2601, 3519, 4131, 5589, 6647, 7803, 10557, 19941, 23409, 31671, 59823, 70227, 95013, 179469, 538407, 1615221]

約数ペア:

[(1, 1615221), (3, 538407), (9, 179469), (17, 95013), (23, 70227), (27, 59823), (51, 31671), (69, 23409), (81, 19941), (153, 10557), (207, 7803), (243, 6647), (289, 5589), (391, 4131), (459, 3519), (621, 2601), (867, 1863), (1173, 1377)]