201990579

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1429}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 316293120

約数和(自身を除く): 114302541

約数列:

[1, 3, 7, 21, 53, 127, 159, 371, 381, 889, 1113, 1429, 2667, 4287, 6731, 10003, 20193, 30009, 47117, 75737, 141351, 181483, 227211, 530159, 544449, 1270381, 1590477, 3811143, 9618599, 28855797, 67330193, 201990579]

約数ペア:

[(1, 201990579), (3, 67330193), (7, 28855797), (21, 9618599), (53, 3811143), (127, 1590477), (159, 1270381), (371, 544449), (381, 530159), (889, 227211), (1113, 181483), (1429, 141351), (2667, 75737), (4287, 47117), (6731, 30009), (10003, 20193)]