23827995

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 46472400

約数和(自身を除く): 22644405

約数列:

[1, 3, 5, 9, 15, 19, 29, 31, 45, 57, 87, 93, 95, 145, 155, 171, 261, 279, 285, 435, 465, 551, 589, 855, 899, 961, 1305, 1395, 1653, 1767, 2697, 2755, 2883, 2945, 4495, 4805, 4959, 5301, 8091, 8265, 8649, 8835, 13485, 14415, 17081, 18259, 24795, 26505, 27869, 40455, 43245, 51243, 54777, 83607, 85405, 91295, 139345, 153729, 164331, 250821, 256215, 273885, 418035, 529511, 768645, 821655, 1254105, 1588533, 2647555, 4765599, 7942665, 23827995]

約数ペア:

[(1, 23827995), (3, 7942665), (5, 4765599), (9, 2647555), (15, 1588533), (19, 1254105), (29, 821655), (31, 768645), (45, 529511), (57, 418035), (87, 273885), (93, 256215), (95, 250821), (145, 164331), (155, 153729), (171, 139345), (261, 91295), (279, 85405), (285, 83607), (435, 54777), (465, 51243), (551, 43245), (589, 40455), (855, 27869), (899, 26505), (961, 24795), (1305, 18259), (1395, 17081), (1653, 14415), (1767, 13485), (2697, 8835), (2755, 8649), (2883, 8265), (2945, 8091), (4495, 5301), (4805, 4959)]