161581065

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1\times {\mathrm{547}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 265144320

約数和(自身を除く): 103563255

約数列:

[1, 3, 5, 15, 47, 141, 235, 419, 547, 705, 1257, 1641, 2095, 2735, 6285, 8205, 19693, 25709, 59079, 77127, 98465, 128545, 229193, 295395, 385635, 687579, 1145965, 3437895, 10772071, 32316213, 53860355, 161581065]

約数ペア:

[(1, 161581065), (3, 53860355), (5, 32316213), (15, 10772071), (47, 3437895), (141, 1145965), (235, 687579), (419, 385635), (547, 295395), (705, 229193), (1257, 128545), (1641, 98465), (2095, 77127), (2735, 59079), (6285, 25709), (8205, 19693)]