8160405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 15142464

約数和(自身を除く): 6982059

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 137, 165, 209, 285, 361, 411, 627, 685, 1045, 1083, 1507, 1805, 2055, 2603, 3135, 3971, 4521, 5415, 7535, 7809, 11913, 13015, 19855, 22605, 28633, 39045, 49457, 59565, 85899, 143165, 148371, 247285, 429495, 544027, 741855, 1632081, 2720135, 8160405]

約数ペア:

[(1, 8160405), (3, 2720135), (5, 1632081), (11, 741855), (15, 544027), (19, 429495), (33, 247285), (55, 148371), (57, 143165), (95, 85899), (137, 59565), (165, 49457), (209, 39045), (285, 28633), (361, 22605), (411, 19855), (627, 13015), (685, 11913), (1045, 7809), (1083, 7535), (1507, 5415), (1805, 4521), (2055, 3971), (2603, 3135)]