2011212225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2251}}^1$

素因数の和:2316

約数の個数: 108

約数和(自身を含む): 4149346032

約数和(自身を除く): 2138133807

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 165, 171, 209, 225, 275, 285, 361, 475, 495, 627, 825, 855, 1045, 1083, 1425, 1805, 1881, 2251, 2475, 3135, 3249, 3971, 4275, 5225, 5415, 6753, 9025, 9405, 11255, 11913, 15675, 16245, 19855, 20259, 24761, 27075, 33765, 35739, 42769, 47025, 56275, 59565, 74283, 81225, 99275, 101295, 123805, 128307, 168825, 178695, 213845, 222849, 297825, 371415, 384921, 470459, 506475, 619025, 641535, 812611, 893475, 1069225, 1114245, 1411377, 1857075, 1924605, 2352295, 2437833, 3207675, 4063055, 4234131, 5571225, 7056885, 7313499, 8938721, 9623025, 11761475, 12189165, 20315275, 21170655, 26816163, 35284425, 36567495, 44693605, 60945825, 80448489, 105853275, 134080815, 182837475, 223468025, 402242445, 670404075, 2011212225]

約数ペア:

[(1, 2011212225), (3, 670404075), (5, 402242445), (9, 223468025), (11, 182837475), (15, 134080815), (19, 105853275), (25, 80448489), (33, 60945825), (45, 44693605), (55, 36567495), (57, 35284425), (75, 26816163), (95, 21170655), (99, 20315275), (165, 12189165), (171, 11761475), (209, 9623025), (225, 8938721), (275, 7313499), (285, 7056885), (361, 5571225), (475, 4234131), (495, 4063055), (627, 3207675), (825, 2437833), (855, 2352295), (1045, 1924605), (1083, 1857075), (1425, 1411377), (1805, 1114245), (1881, 1069225), (2251, 893475), (2475, 812611), (3135, 641535), (3249, 619025), (3971, 506475), (4275, 470459), (5225, 384921), (5415, 371415), (6753, 297825), (9025, 222849), (9405, 213845), (11255, 178695), (11913, 168825), (15675, 128307), (16245, 123805), (19855, 101295), (20259, 99275), (24761, 81225), (27075, 74283), (33765, 59565), (35739, 56275), (42769, 47025)]