16803215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 24095232

約数和(自身を除く): 7292017

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 331, 355, 715, 781, 923, 1655, 3641, 3905, 4303, 4615, 10153, 18205, 21515, 23501, 47333, 50765, 117505, 236665, 258511, 305513, 1292555, 1527565, 3360643, 16803215]

約数ペア:

[(1, 16803215), (5, 3360643), (11, 1527565), (13, 1292555), (55, 305513), (65, 258511), (71, 236665), (143, 117505), (331, 50765), (355, 47333), (715, 23501), (781, 21515), (923, 18205), (1655, 10153), (3641, 4615), (3905, 4303)]