28515705

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 18658695

約数列:

[1, 3, 5, 15, 41, 123, 199, 205, 233, 597, 615, 699, 995, 1165, 2985, 3495, 8159, 9553, 24477, 28659, 40795, 46367, 47765, 122385, 139101, 143295, 231835, 695505, 1901047, 5703141, 9505235, 28515705]

約数ペア:

[(1, 28515705), (3, 9505235), (5, 5703141), (15, 1901047), (41, 695505), (123, 231835), (199, 143295), (205, 139101), (233, 122385), (597, 47765), (615, 46367), (699, 40795), (995, 28659), (1165, 24477), (2985, 9553), (3495, 8159)]