199450503

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2333}}^1$

素因数の和:2428

約数の個数: 48

約数和(自身を含む): 349539840

約数和(自身を除く): 150089337

約数列:

[1, 3, 7, 9, 21, 23, 59, 63, 69, 161, 177, 207, 413, 483, 531, 1239, 1357, 1449, 2333, 3717, 4071, 6999, 9499, 12213, 16331, 20997, 28497, 48993, 53659, 85491, 137647, 146979, 160977, 375613, 412941, 482931, 963529, 1126839, 1238823, 2890587, 3165881, 3380517, 8671761, 9497643, 22161167, 28492929, 66483501, 199450503]

約数ペア:

[(1, 199450503), (3, 66483501), (7, 28492929), (9, 22161167), (21, 9497643), (23, 8671761), (59, 3380517), (63, 3165881), (69, 2890587), (161, 1238823), (177, 1126839), (207, 963529), (413, 482931), (483, 412941), (531, 375613), (1239, 160977), (1357, 146979), (1449, 137647), (2333, 85491), (3717, 53659), (4071, 48993), (6999, 28497), (9499, 20997), (12213, 16331)]