51173199

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{137}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 95440800

約数和(自身を除く): 44267601

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 137, 147, 231, 343, 363, 411, 441, 539, 693, 847, 959, 1029, 1089, 1233, 1507, 1617, 2541, 2877, 3087, 3773, 4521, 4851, 5929, 6713, 7623, 8631, 10549, 11319, 13563, 16577, 17787, 20139, 31647, 33957, 41503, 46991, 49731, 53361, 60417, 73843, 94941, 116039, 124509, 140973, 149193, 221529, 348117, 373527, 422919, 516901, 664587, 812273, 1044351, 1550703, 2436819, 4652109, 5685911, 7310457, 17057733, 51173199]

約数ペア:

[(1, 51173199), (3, 17057733), (7, 7310457), (9, 5685911), (11, 4652109), (21, 2436819), (33, 1550703), (49, 1044351), (63, 812273), (77, 664587), (99, 516901), (121, 422919), (137, 373527), (147, 348117), (231, 221529), (343, 149193), (363, 140973), (411, 124509), (441, 116039), (539, 94941), (693, 73843), (847, 60417), (959, 53361), (1029, 49731), (1089, 46991), (1233, 41503), (1507, 33957), (1617, 31647), (2541, 20139), (2877, 17787), (3087, 16577), (3773, 13563), (4521, 11319), (4851, 10549), (5929, 8631), (6713, 7623)]