205434453

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 319444992

約数和(自身を除く): 114010539

約数列:

[1, 3, 7, 21, 71, 211, 213, 497, 633, 653, 1477, 1491, 1959, 4431, 4571, 13713, 14981, 44943, 46363, 104867, 137783, 139089, 314601, 324541, 413349, 964481, 973623, 2893443, 9782593, 29347779, 68478151, 205434453]

約数ペア:

[(1, 205434453), (3, 68478151), (7, 29347779), (21, 9782593), (71, 2893443), (211, 973623), (213, 964481), (497, 413349), (633, 324541), (653, 314601), (1477, 139089), (1491, 137783), (1959, 104867), (4431, 46363), (4571, 44943), (13713, 14981)]