72685221

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2467}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 117516288

約数和(自身を除く): 44831067

約数列:

[1, 3, 7, 21, 23, 61, 69, 161, 183, 427, 483, 1281, 1403, 2467, 4209, 7401, 9821, 17269, 29463, 51807, 56741, 150487, 170223, 397187, 451461, 1053409, 1191561, 3160227, 3461201, 10383603, 24228407, 72685221]

約数ペア:

[(1, 72685221), (3, 24228407), (7, 10383603), (21, 3461201), (23, 3160227), (61, 1191561), (69, 1053409), (161, 451461), (183, 397187), (427, 170223), (483, 150487), (1281, 56741), (1403, 51807), (2467, 29463), (4209, 17269), (7401, 9821)]