40540395

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2903}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 79453440

約数和(自身を除く): 38913045

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 2903, 4655, 8709, 13965, 14515, 20321, 43545, 55157, 60963, 101605, 142247, 165471, 275785, 304815, 386099, 426741, 711235, 827355, 1158297, 1930495, 2133705, 2702693, 5791485, 8108079, 13513465, 40540395]

約数ペア:

[(1, 40540395), (3, 13513465), (5, 8108079), (7, 5791485), (15, 2702693), (19, 2133705), (21, 1930495), (35, 1158297), (49, 827355), (57, 711235), (95, 426741), (105, 386099), (133, 304815), (147, 275785), (245, 165471), (285, 142247), (399, 101605), (665, 60963), (735, 55157), (931, 43545), (1995, 20321), (2793, 14515), (2903, 13965), (4655, 8709)]