221301315

素因数分解:

$3^5\times 5^1\times {\mathrm{182141}}^1$

素因数の和:182161

約数の個数: 24

約数和(自身を含む): 397798128

約数和(自身を除く): 176496813

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 182141, 546423, 910705, 1639269, 2732115, 4917807, 8196345, 14753421, 24589035, 44260263, 73767105, 221301315]

約数ペア:

[(1, 221301315), (3, 73767105), (5, 44260263), (9, 24589035), (15, 14753421), (27, 8196345), (45, 4917807), (81, 2732115), (135, 1639269), (243, 910705), (405, 546423), (1215, 182141)]