221188227

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{991}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 326645760

約数和(自身を除く): 105457533

約数列:

[1, 3, 13, 39, 59, 97, 177, 291, 767, 991, 1261, 2301, 2973, 3783, 5723, 12883, 17169, 38649, 58469, 74399, 96127, 175407, 223197, 288381, 760097, 1249651, 2280291, 3748953, 5671493, 17014479, 73729409, 221188227]

約数ペア:

[(1, 221188227), (3, 73729409), (13, 17014479), (39, 5671493), (59, 3748953), (97, 2280291), (177, 1249651), (291, 760097), (767, 288381), (991, 223197), (1261, 175407), (2301, 96127), (2973, 74399), (3783, 58469), (5723, 38649), (12883, 17169)]