128307435

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 210325248

約数和(自身を除く): 82017813

約数列:

[1, 3, 5, 15, 53, 159, 251, 265, 643, 753, 795, 1255, 1929, 3215, 3765, 9645, 13303, 34079, 39909, 66515, 102237, 161393, 170395, 199545, 484179, 511185, 806965, 2420895, 8553829, 25661487, 42769145, 128307435]

約数ペア:

[(1, 128307435), (3, 42769145), (5, 25661487), (15, 8553829), (53, 2420895), (159, 806965), (251, 511185), (265, 484179), (643, 199545), (753, 170395), (795, 161393), (1255, 102237), (1929, 66515), (3215, 39909), (3765, 34079), (9645, 13303)]