233515191

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{16139}}^1$

素因数の和:16215

約数の個数: 32

約数和(自身を含む): 390458880

約数和(自身を除く): 156943689

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 4823, 14469, 16139, 48417, 112973, 209807, 338919, 629421, 855367, 1468649, 2566101, 4405947, 5987569, 11119771, 17962707, 33359313, 77838397, 233515191]

約数ペア:

[(1, 233515191), (3, 77838397), (7, 33359313), (13, 17962707), (21, 11119771), (39, 5987569), (53, 4405947), (91, 2566101), (159, 1468649), (273, 855367), (371, 629421), (689, 338919), (1113, 209807), (2067, 112973), (4823, 48417), (14469, 16139)]