201205155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 345094560

約数和(自身を除く): 143889405

約数列:

[1, 3, 5, 15, 19, 57, 73, 95, 219, 285, 361, 365, 509, 1083, 1095, 1387, 1527, 1805, 2545, 4161, 5415, 6935, 7635, 9671, 20805, 26353, 29013, 37157, 48355, 79059, 111471, 131765, 145065, 183749, 185785, 395295, 551247, 557355, 705983, 918745, 2117949, 2756235, 3529915, 10589745, 13413677, 40241031, 67068385, 201205155]

約数ペア:

[(1, 201205155), (3, 67068385), (5, 40241031), (15, 13413677), (19, 10589745), (57, 3529915), (73, 2756235), (95, 2117949), (219, 918745), (285, 705983), (361, 557355), (365, 551247), (509, 395295), (1083, 185785), (1095, 183749), (1387, 145065), (1527, 131765), (1805, 111471), (2545, 79059), (4161, 48355), (5415, 37157), (6935, 29013), (7635, 26353), (9671, 20805)]