30149721

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28151}}^1$

素因数の和:28181

約数の個数: 24

約数和(自身を含む): 52700544

約数和(自身を除く): 22550823

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 28151, 84453, 197057, 253359, 478567, 591171, 1435701, 1773513, 3349969, 4307103, 10049907, 30149721]

約数ペア:

[(1, 30149721), (3, 10049907), (7, 4307103), (9, 3349969), (17, 1773513), (21, 1435701), (51, 591171), (63, 478567), (119, 253359), (153, 197057), (357, 84453), (1071, 28151)]