2021625405

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{1447}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 3669811200

約数和(自身を除く): 1648185795

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 131, 135, 237, 393, 395, 655, 711, 1179, 1185, 1447, 1965, 2133, 3537, 3555, 4341, 5895, 7235, 10349, 10665, 13023, 17685, 21705, 31047, 39069, 51745, 65115, 93141, 114313, 155235, 189557, 195345, 279423, 342939, 465705, 568671, 571565, 947785, 1028817, 1397115, 1706013, 1714695, 2843355, 3086451, 5118039, 5144085, 8530065, 14975003, 15432255, 25590195, 44925009, 74875015, 134775027, 224625045, 404325081, 673875135, 2021625405]

約数ペア:

[(1, 2021625405), (3, 673875135), (5, 404325081), (9, 224625045), (15, 134775027), (27, 74875015), (45, 44925009), (79, 25590195), (131, 15432255), (135, 14975003), (237, 8530065), (393, 5144085), (395, 5118039), (655, 3086451), (711, 2843355), (1179, 1714695), (1185, 1706013), (1447, 1397115), (1965, 1028817), (2133, 947785), (3537, 571565), (3555, 568671), (4341, 465705), (5895, 342939), (7235, 279423), (10349, 195345), (10665, 189557), (13023, 155235), (17685, 114313), (21705, 93141), (31047, 65115), (39069, 51745)]