128428605

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23203}}^1$

素因数の和:23258

約数の個数: 32

約数和(自身を含む): 233896320

約数和(自身を除く): 105467715

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 1107, 1845, 5535, 23203, 69609, 116015, 208827, 348045, 626481, 951323, 1044135, 2853969, 3132405, 4756615, 8561907, 14269845, 25685721, 42809535, 128428605]

約数ペア:

[(1, 128428605), (3, 42809535), (5, 25685721), (9, 14269845), (15, 8561907), (27, 4756615), (41, 3132405), (45, 2853969), (123, 1044135), (135, 951323), (205, 626481), (369, 348045), (615, 208827), (1107, 116015), (1845, 69609), (5535, 23203)]