1878161907

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 2600688384

約数和(自身を除く): 722526477

約数列:

[1, 3, 41, 123, 137, 227, 411, 491, 681, 1473, 5617, 9307, 16851, 20131, 27921, 31099, 60393, 67267, 93297, 111457, 201801, 334371, 1275059, 2757947, 3825177, 4569737, 8273841, 13709211, 15269609, 45808827, 626053969, 1878161907]

約数ペア:

[(1, 1878161907), (3, 626053969), (41, 45808827), (123, 15269609), (137, 13709211), (227, 8273841), (411, 4569737), (491, 3825177), (681, 2757947), (1473, 1275059), (5617, 334371), (9307, 201801), (16851, 111457), (20131, 93297), (27921, 67267), (31099, 60393)]