154982905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21187}}^1$

素因数の和:21229

約数の個数: 32

約数和(自身を含む): 244085760

約数和(自身を除く): 89102855

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 7315, 21187, 105935, 148309, 233057, 402553, 741545, 1165285, 1631399, 2012765, 2817871, 4428083, 8156995, 14089355, 22140415, 30996581, 154982905]

約数ペア:

[(1, 154982905), (5, 30996581), (7, 22140415), (11, 14089355), (19, 8156995), (35, 4428083), (55, 2817871), (77, 2012765), (95, 1631399), (133, 1165285), (209, 741545), (385, 402553), (665, 233057), (1045, 148309), (1463, 105935), (7315, 21187)]