1223505

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 2358720

約数和(自身を除く): 1135215

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 53, 57, 81, 95, 135, 159, 171, 243, 265, 285, 405, 477, 513, 795, 855, 1007, 1215, 1431, 1539, 2385, 2565, 3021, 4293, 4617, 5035, 7155, 7695, 9063, 12879, 15105, 21465, 23085, 27189, 45315, 64395, 81567, 135945, 244701, 407835, 1223505]

約数ペア:

[(1, 1223505), (3, 407835), (5, 244701), (9, 135945), (15, 81567), (19, 64395), (27, 45315), (45, 27189), (53, 23085), (57, 21465), (81, 15105), (95, 12879), (135, 9063), (159, 7695), (171, 7155), (243, 5035), (265, 4617), (285, 4293), (405, 3021), (477, 2565), (513, 2385), (795, 1539), (855, 1431), (1007, 1215)]