216549315

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 410901120

約数和(自身を除く): 194351805

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 157, 255, 459, 471, 601, 765, 785, 1413, 1803, 2295, 2355, 2669, 3005, 4239, 5409, 7065, 8007, 9015, 10217, 13345, 16227, 21195, 24021, 27045, 30651, 40035, 51085, 72063, 81135, 91953, 94357, 120105, 153255, 275859, 283071, 360315, 459765, 471785, 849213, 1379295, 1415355, 1604069, 2547639, 4246065, 4812207, 8020345, 12738195, 14436621, 24061035, 43309863, 72183105, 216549315]

約数ペア:

[(1, 216549315), (3, 72183105), (5, 43309863), (9, 24061035), (15, 14436621), (17, 12738195), (27, 8020345), (45, 4812207), (51, 4246065), (85, 2547639), (135, 1604069), (153, 1415355), (157, 1379295), (255, 849213), (459, 471785), (471, 459765), (601, 360315), (765, 283071), (785, 275859), (1413, 153255), (1803, 120105), (2295, 94357), (2355, 91953), (2669, 81135), (3005, 72063), (4239, 51085), (5409, 40035), (7065, 30651), (8007, 27045), (9015, 24021), (10217, 21195), (13345, 16227)]