1779702921

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{1031}}^1$

素因数の和:1355

約数の個数: 40

約数和(自身を含む): 2700232128

約数和(自身を除く): 920529207

約数列:

[1, 3, 9, 27, 81, 101, 211, 303, 633, 909, 1031, 1899, 2727, 3093, 5697, 8181, 9279, 17091, 21311, 27837, 63933, 83511, 104131, 191799, 217541, 312393, 575397, 652623, 937179, 1726191, 1957869, 2811537, 5873607, 8434611, 17620821, 21971641, 65914923, 197744769, 593234307, 1779702921]

約数ペア:

[(1, 1779702921), (3, 593234307), (9, 197744769), (27, 65914923), (81, 21971641), (101, 17620821), (211, 8434611), (303, 5873607), (633, 2811537), (909, 1957869), (1031, 1726191), (1899, 937179), (2727, 652623), (3093, 575397), (5697, 312393), (8181, 217541), (9279, 191799), (17091, 104131), (21311, 83511), (27837, 63933)]