28988685

素因数分解:

$3^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 57150720

約数和(自身を除く): 28162035

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 241, 243, 297, 405, 495, 723, 729, 891, 1205, 1215, 1485, 2169, 2187, 2651, 2673, 3615, 3645, 4455, 6507, 7953, 8019, 10845, 10935, 13255, 13365, 19521, 23859, 24057, 32535, 39765, 40095, 58563, 71577, 97605, 119295, 120285, 175689, 214731, 292815, 357885, 527067, 644193, 878445, 1073655, 1932579, 2635335, 3220965, 5797737, 9662895, 28988685]

約数ペア:

[(1, 28988685), (3, 9662895), (5, 5797737), (9, 3220965), (11, 2635335), (15, 1932579), (27, 1073655), (33, 878445), (45, 644193), (55, 527067), (81, 357885), (99, 292815), (135, 214731), (165, 175689), (241, 120285), (243, 119295), (297, 97605), (405, 71577), (495, 58563), (723, 40095), (729, 39765), (891, 32535), (1205, 24057), (1215, 23859), (1485, 19521), (2169, 13365), (2187, 13255), (2651, 10935), (2673, 10845), (3615, 8019), (3645, 7953), (4455, 6507)]