202151961

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 331468800

約数和(自身を除く): 129316839

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 199, 279, 331, 341, 597, 993, 1023, 1791, 2189, 2979, 3069, 3641, 6169, 6567, 10261, 10923, 18507, 19701, 30783, 32769, 55521, 65869, 67859, 92349, 112871, 197607, 203577, 338613, 592821, 610731, 724559, 1015839, 2041939, 2173677, 6125817, 6521031, 18377451, 22461329, 67383987, 202151961]

約数ペア:

[(1, 202151961), (3, 67383987), (9, 22461329), (11, 18377451), (31, 6521031), (33, 6125817), (93, 2173677), (99, 2041939), (199, 1015839), (279, 724559), (331, 610731), (341, 592821), (597, 338613), (993, 203577), (1023, 197607), (1791, 112871), (2189, 92349), (2979, 67859), (3069, 65869), (3641, 55521), (6169, 32769), (6567, 30783), (10261, 19701), (10923, 18507)]