18441664227

素因数分解:

$3^4\times 7^1\times {\mathrm{641}}^1\times {\mathrm{50741}}^1$

素因数の和:51401

約数の個数: 40

約数和(自身を含む): 31533920352

約数和(自身を除く): 13092256125

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 641, 1923, 4487, 5769, 13461, 17307, 40383, 50741, 51921, 121149, 152223, 355187, 363447, 456669, 1065561, 1370007, 3196683, 4110021, 9590049, 28770147, 32524981, 97574943, 227674867, 292724829, 683024601, 878174487, 2049073803, 2634523461, 6147221409, 18441664227]

約数ペア:

[(1, 18441664227), (3, 6147221409), (7, 2634523461), (9, 2049073803), (21, 878174487), (27, 683024601), (63, 292724829), (81, 227674867), (189, 97574943), (567, 32524981), (641, 28770147), (1923, 9590049), (4487, 4110021), (5769, 3196683), (13461, 1370007), (17307, 1065561), (40383, 456669), (50741, 363447), (51921, 355187), (121149, 152223)]