2098305

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 4140864

約数和(自身を除く): 2042559

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 157, 165, 243, 297, 405, 471, 495, 785, 891, 1215, 1413, 1485, 1727, 2355, 2673, 4239, 4455, 5181, 7065, 8635, 12717, 13365, 15543, 21195, 25905, 38151, 46629, 63585, 77715, 139887, 190755, 233145, 419661, 699435, 2098305]

約数ペア:

[(1, 2098305), (3, 699435), (5, 419661), (9, 233145), (11, 190755), (15, 139887), (27, 77715), (33, 63585), (45, 46629), (55, 38151), (81, 25905), (99, 21195), (135, 15543), (157, 13365), (165, 12717), (243, 8635), (297, 7065), (405, 5181), (471, 4455), (495, 4239), (785, 2673), (891, 2355), (1215, 1727), (1413, 1485)]