72638139

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 114611200

約数和(自身を除く): 41973061

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 343, 511, 967, 1029, 1533, 2901, 3577, 6769, 10731, 20307, 25039, 47383, 70591, 75117, 142149, 211773, 331681, 494137, 995043, 1482411, 3458959, 10376877, 24212713, 72638139]

約数ペア:

[(1, 72638139), (3, 24212713), (7, 10376877), (21, 3458959), (49, 1482411), (73, 995043), (147, 494137), (219, 331681), (343, 211773), (511, 142149), (967, 75117), (1029, 70591), (1533, 47383), (2901, 25039), (3577, 20307), (6769, 10731)]