201399653

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 266918400

約数和(自身を除く): 65518747

約数列:

[1, 7, 13, 31, 47, 49, 91, 217, 329, 343, 403, 611, 637, 961, 1457, 1519, 2303, 2821, 4277, 4459, 6727, 10199, 10633, 12493, 16121, 18941, 19747, 29939, 45167, 47089, 71393, 87451, 132587, 138229, 209573, 316169, 329623, 499751, 587171, 612157, 928109, 2213183, 4110197, 4285099, 6496763, 15492281, 28771379, 201399653]

約数ペア:

[(1, 201399653), (7, 28771379), (13, 15492281), (31, 6496763), (47, 4285099), (49, 4110197), (91, 2213183), (217, 928109), (329, 612157), (343, 587171), (403, 499751), (611, 329623), (637, 316169), (961, 209573), (1457, 138229), (1519, 132587), (2303, 87451), (2821, 71393), (4277, 47089), (4459, 45167), (6727, 29939), (10199, 19747), (10633, 18941), (12493, 16121)]