204984195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7673}}^1$

素因数の和:7831

約数の個数: 32

約数和(自身を含む): 355828032

約数和(自身を除く): 150843837

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 195, 411, 685, 1781, 2055, 5343, 7673, 8905, 23019, 26715, 38365, 99749, 115095, 299247, 498745, 1051201, 1496235, 3153603, 5256005, 13665613, 15768015, 40996839, 68328065, 204984195]

約数ペア:

[(1, 204984195), (3, 68328065), (5, 40996839), (13, 15768015), (15, 13665613), (39, 5256005), (65, 3153603), (137, 1496235), (195, 1051201), (411, 498745), (685, 299247), (1781, 115095), (2055, 99749), (5343, 38365), (7673, 26715), (8905, 23019)]