15215235

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 28717056

約数和(自身を除く): 13501821

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 127, 147, 163, 245, 381, 489, 635, 735, 815, 889, 1141, 1905, 2445, 2667, 3423, 4445, 5705, 6223, 7987, 13335, 17115, 18669, 20701, 23961, 31115, 39935, 62103, 93345, 103505, 119805, 144907, 310515, 434721, 724535, 1014349, 2173605, 3043047, 5071745, 15215235]

約数ペア:

[(1, 15215235), (3, 5071745), (5, 3043047), (7, 2173605), (15, 1014349), (21, 724535), (35, 434721), (49, 310515), (105, 144907), (127, 119805), (147, 103505), (163, 93345), (245, 62103), (381, 39935), (489, 31115), (635, 23961), (735, 20701), (815, 18669), (889, 17115), (1141, 13335), (1905, 7987), (2445, 6223), (2667, 5705), (3423, 4445)]