209129037

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 307507200

約数和(自身を除く): 98378163

約数列:

[1, 3, 13, 39, 79, 103, 237, 309, 659, 1027, 1339, 1977, 3081, 4017, 8137, 8567, 24411, 25701, 52061, 67877, 105781, 156183, 203631, 317343, 676793, 882401, 2030379, 2647203, 5362283, 16086849, 69709679, 209129037]

約数ペア:

[(1, 209129037), (3, 69709679), (13, 16086849), (39, 5362283), (79, 2647203), (103, 2030379), (237, 882401), (309, 676793), (659, 317343), (1027, 203631), (1339, 156183), (1977, 105781), (3081, 67877), (4017, 52061), (8137, 25701), (8567, 24411)]