199137213

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 323182080

約数和(自身を除く): 124044867

約数列:

[1, 3, 9, 11, 33, 59, 99, 103, 177, 309, 331, 531, 649, 927, 993, 1133, 1947, 2979, 3399, 3641, 5841, 6077, 10197, 10923, 18231, 19529, 32769, 34093, 54693, 58587, 66847, 102279, 175761, 200541, 214819, 306837, 375023, 601623, 644457, 1125069, 1933371, 2011487, 3375207, 6034461, 18103383, 22126357, 66379071, 199137213]

約数ペア:

[(1, 199137213), (3, 66379071), (9, 22126357), (11, 18103383), (33, 6034461), (59, 3375207), (99, 2011487), (103, 1933371), (177, 1125069), (309, 644457), (331, 601623), (531, 375023), (649, 306837), (927, 214819), (993, 200541), (1133, 175761), (1947, 102279), (2979, 66847), (3399, 58587), (3641, 54693), (5841, 34093), (6077, 32769), (10197, 19529), (10923, 18231)]