207864315

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3389}}^1$

素因数の和:3476

約数の個数: 48

約数和(自身を含む): 380764800

約数和(自身を除く): 172900485

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 435, 705, 1305, 1363, 2115, 3389, 4089, 6815, 10167, 12267, 16945, 20445, 30501, 50835, 61335, 98281, 152505, 159283, 294843, 477849, 491405, 796415, 884529, 1433547, 1474215, 2389245, 4422645, 4619207, 7167735, 13857621, 23096035, 41572863, 69288105, 207864315]

約数ペア:

[(1, 207864315), (3, 69288105), (5, 41572863), (9, 23096035), (15, 13857621), (29, 7167735), (45, 4619207), (47, 4422645), (87, 2389245), (141, 1474215), (145, 1433547), (235, 884529), (261, 796415), (423, 491405), (435, 477849), (705, 294843), (1305, 159283), (1363, 152505), (2115, 98281), (3389, 61335), (4089, 50835), (6815, 30501), (10167, 20445), (12267, 16945)]