30987735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 20333865

約数列:

[1, 3, 5, 15, 43, 107, 129, 215, 321, 449, 535, 645, 1347, 1605, 2245, 4601, 6735, 13803, 19307, 23005, 48043, 57921, 69015, 96535, 144129, 240215, 289605, 720645, 2065849, 6197547, 10329245, 30987735]

約数ペア:

[(1, 30987735), (3, 10329245), (5, 6197547), (15, 2065849), (43, 720645), (107, 289605), (129, 240215), (215, 144129), (321, 96535), (449, 69015), (535, 57921), (645, 48043), (1347, 23005), (1605, 19307), (2245, 13803), (4601, 6735)]