31888413

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 51644736

約数和(自身を除く): 19756323

約数列:

[1, 3, 9, 17, 37, 43, 51, 111, 129, 131, 153, 333, 387, 393, 629, 731, 1179, 1591, 1887, 2193, 2227, 4773, 4847, 5633, 5661, 6579, 6681, 14319, 14541, 16899, 20043, 27047, 43623, 50697, 81141, 82399, 95761, 208421, 243423, 247197, 287283, 625263, 741591, 861849, 1875789, 3543157, 10629471, 31888413]

約数ペア:

[(1, 31888413), (3, 10629471), (9, 3543157), (17, 1875789), (37, 861849), (43, 741591), (51, 625263), (111, 287283), (129, 247197), (131, 243423), (153, 208421), (333, 95761), (387, 82399), (393, 81141), (629, 50697), (731, 43623), (1179, 27047), (1591, 20043), (1887, 16899), (2193, 14541), (2227, 14319), (4773, 6681), (4847, 6579), (5633, 5661)]