81871185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3907}}^1$

素因数の和:4053

約数の個数: 32

約数和(自身を含む): 144064512

約数和(自身を除く): 62193327

約数列:

[1, 3, 5, 11, 15, 33, 55, 127, 165, 381, 635, 1397, 1905, 3907, 4191, 6985, 11721, 19535, 20955, 42977, 58605, 128931, 214885, 496189, 644655, 1488567, 2480945, 5458079, 7442835, 16374237, 27290395, 81871185]

約数ペア:

[(1, 81871185), (3, 27290395), (5, 16374237), (11, 7442835), (15, 5458079), (33, 2480945), (55, 1488567), (127, 644655), (165, 496189), (381, 214885), (635, 128931), (1397, 58605), (1905, 42977), (3907, 20955), (4191, 19535), (6985, 11721)]