217027395

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1063}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 406660800

約数和(自身を除く): 189633405

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 349, 585, 1047, 1063, 1745, 3141, 3189, 4537, 5235, 5315, 9567, 13611, 13819, 15705, 15945, 22685, 40833, 41457, 47835, 68055, 69095, 124371, 204165, 207285, 370987, 621855, 1112961, 1854935, 3338883, 4822831, 5564805, 14468493, 16694415, 24114155, 43405479, 72342465, 217027395]

約数ペア:

[(1, 217027395), (3, 72342465), (5, 43405479), (9, 24114155), (13, 16694415), (15, 14468493), (39, 5564805), (45, 4822831), (65, 3338883), (117, 1854935), (195, 1112961), (349, 621855), (585, 370987), (1047, 207285), (1063, 204165), (1745, 124371), (3141, 69095), (3189, 68055), (4537, 47835), (5235, 41457), (5315, 40833), (9567, 22685), (13611, 15945), (13819, 15705)]