161839215

素因数分解:

$3^5\times 5^1\times {\mathrm{133201}}^1$

素因数の和:133221

約数の個数: 24

約数和(自身を含む): 290913168

約数和(自身を除く): 129073953

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 133201, 399603, 666005, 1198809, 1998015, 3596427, 5994045, 10789281, 17982135, 32367843, 53946405, 161839215]

約数ペア:

[(1, 161839215), (3, 53946405), (5, 32367843), (9, 17982135), (15, 10789281), (27, 5994045), (45, 3596427), (81, 1998015), (135, 1198809), (243, 666005), (405, 399603), (1215, 133201)]