90979959

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1901}}^1$

素因数の和:2007

約数の個数: 32

約数和(自身を含む): 144612864

約数和(自身を除く): 53632905

約数列:

[1, 3, 7, 21, 43, 53, 129, 159, 301, 371, 903, 1113, 1901, 2279, 5703, 6837, 13307, 15953, 39921, 47859, 81743, 100753, 245229, 302259, 572201, 705271, 1716603, 2115813, 4332379, 12997137, 30326653, 90979959]

約数ペア:

[(1, 90979959), (3, 30326653), (7, 12997137), (21, 4332379), (43, 2115813), (53, 1716603), (129, 705271), (159, 572201), (301, 302259), (371, 245229), (903, 100753), (1113, 81743), (1901, 47859), (2279, 39921), (5703, 15953), (6837, 13307)]