42247947

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 69107712

約数和(自身を除く): 26859765

約数列:

[1, 3, 7, 21, 31, 49, 73, 93, 127, 147, 217, 219, 381, 511, 651, 889, 1519, 1533, 2263, 2667, 3577, 3937, 4557, 6223, 6789, 9271, 10731, 11811, 15841, 18669, 27559, 27813, 47523, 64897, 82677, 110887, 192913, 194691, 287401, 332661, 454279, 578739, 862203, 1362837, 2011807, 6035421, 14082649, 42247947]

約数ペア:

[(1, 42247947), (3, 14082649), (7, 6035421), (21, 2011807), (31, 1362837), (49, 862203), (73, 578739), (93, 454279), (127, 332661), (147, 287401), (217, 194691), (219, 192913), (381, 110887), (511, 82677), (651, 64897), (889, 47523), (1519, 27813), (1533, 27559), (2263, 18669), (2667, 15841), (3577, 11811), (3937, 10731), (4557, 9271), (6223, 6789)]