138628017

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{991}}^1$

素因数の和:1171

約数の個数: 40

約数和(自身を含む): 227580672

約数和(自身を除く): 88952655

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 157, 297, 471, 891, 991, 1413, 1727, 2973, 4239, 5181, 8919, 10901, 12717, 15543, 26757, 32703, 46629, 80271, 98109, 139887, 155587, 294327, 466761, 882981, 1400283, 1711457, 4200849, 5134371, 12602547, 15403113, 46209339, 138628017]

約数ペア:

[(1, 138628017), (3, 46209339), (9, 15403113), (11, 12602547), (27, 5134371), (33, 4200849), (81, 1711457), (99, 1400283), (157, 882981), (297, 466761), (471, 294327), (891, 155587), (991, 139887), (1413, 98109), (1727, 80271), (2973, 46629), (4239, 32703), (5181, 26757), (8919, 15543), (10901, 12717)]